2499975000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 288

約数和(自身を含む): 8701318080

約数和(自身を除く): 6201343080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 41, 45, 50, 60, 72, 75, 82, 90, 100, 120, 123, 125, 150, 164, 180, 200, 205, 225, 246, 250, 271, 300, 328, 360, 369, 375, 410, 450, 492, 500, 542, 600, 615, 625, 738, 750, 813, 820, 900, 984, 1000, 1025, 1084, 1125, 1230, 1250, 1355, 1476, 1500, 1626, 1640, 1800, 1845, 1875, 2050, 2168, 2250, 2439, 2460, 2500, 2710, 2952, 3000, 3075, 3125, 3252, 3690, 3750, 4065, 4100, 4500, 4878, 4920, 5000, 5125, 5420, 5625, 6150, 6250, 6504, 6775, 7380, 7500, 8130, 8200, 9000, 9225, 9375, 9756, 10250, 10840, 11111, 11250, 12195, 12300, 12500, 13550, 14760, 15000, 15375, 16260, 18450, 18750, 19512, 20325, 20500, 22222, 22500, 24390, 24600, 25000, 25625, 27100, 28125, 30750, 32520, 33333, 33875, 36900, 37500, 40650, 41000, 44444, 45000, 46125, 48780, 51250, 54200, 55555, 56250, 60975, 61500, 66666, 67750, 73800, 75000, 76875, 81300, 88888, 92250, 97560, 99999, 101625, 102500, 111110, 112500, 121950, 123000, 128125, 133332, 135500, 153750, 162600, 166665, 169375, 184500, 199998, 203250, 205000, 222220, 225000, 230625, 243900, 256250, 266664, 271000, 277775, 304875, 307500, 333330, 338750, 369000, 384375, 399996, 406500, 444440, 461250, 487800, 499995, 508125, 512500, 555550, 609750, 615000, 666660, 677500, 768750, 799992, 813000, 833325, 846875, 922500, 999990, 1016250, 1025000, 1111100, 1153125, 1219500, 1333320, 1355000, 1388875, 1524375, 1537500, 1666650, 1693750, 1845000, 1999980, 2032500, 2222200, 2306250, 2439000, 2499975, 2540625, 2777750, 3048750, 3075000, 3333300, 3387500, 3999960, 4065000, 4166625, 4612500, 4999950, 5081250, 5555500, 6097500, 6666600, 6775000, 6944375, 7621875, 8333250, 9225000, 9999900, 10162500, 11111000, 12195000, 12499875, 13888750, 15243750, 16666500, 19999800, 20325000, 20833125, 24999750, 27777500, 30487500, 33333000, 34721875, 41666250, 49999500, 55555000, 60975000, 62499375, 69443750, 83332500, 99999000, 104165625, 124998750, 138887500, 166665000, 208331250, 249997500, 277775000, 312496875, 416662500, 499995000, 624993750, 833325000, 1249987500, 2499975000]

約数ペア:

[(1, 2499975000), (2, 1249987500), (3, 833325000), (4, 624993750), (5, 499995000), (6, 416662500), (8, 312496875), (9, 277775000), (10, 249997500), (12, 208331250), (15, 166665000), (18, 138887500), (20, 124998750), (24, 104165625), (25, 99999000), (30, 83332500), (36, 69443750), (40, 62499375), (41, 60975000), (45, 55555000), (50, 49999500), (60, 41666250), (72, 34721875), (75, 33333000), (82, 30487500), (90, 27777500), (100, 24999750), (120, 20833125), (123, 20325000), (125, 19999800), (150, 16666500), (164, 15243750), (180, 13888750), (200, 12499875), (205, 12195000), (225, 11111000), (246, 10162500), (250, 9999900), (271, 9225000), (300, 8333250), (328, 7621875), (360, 6944375), (369, 6775000), (375, 6666600), (410, 6097500), (450, 5555500), (492, 5081250), (500, 4999950), (542, 4612500), (600, 4166625), (615, 4065000), (625, 3999960), (738, 3387500), (750, 3333300), (813, 3075000), (820, 3048750), (900, 2777750), (984, 2540625), (1000, 2499975), (1025, 2439000), (1084, 2306250), (1125, 2222200), (1230, 2032500), (1250, 1999980), (1355, 1845000), (1476, 1693750), (1500, 1666650), (1626, 1537500), (1640, 1524375), (1800, 1388875), (1845, 1355000), (1875, 1333320), (2050, 1219500), (2168, 1153125), (2250, 1111100), (2439, 1025000), (2460, 1016250), (2500, 999990), (2710, 922500), (2952, 846875), (3000, 833325), (3075, 813000), (3125, 799992), (3252, 768750), (3690, 677500), (3750, 666660), (4065, 615000), (4100, 609750), (4500, 555550), (4878, 512500), (4920, 508125), (5000, 499995), (5125, 487800), (5420, 461250), (5625, 444440), (6150, 406500), (6250, 399996), (6504, 384375), (6775, 369000), (7380, 338750), (7500, 333330), (8130, 307500), (8200, 304875), (9000, 277775), (9225, 271000), (9375, 266664), (9756, 256250), (10250, 243900), (10840, 230625), (11111, 225000), (11250, 222220), (12195, 205000), (12300, 203250), (12500, 199998), (13550, 184500), (14760, 169375), (15000, 166665), (15375, 162600), (16260, 153750), (18450, 135500), (18750, 133332), (19512, 128125), (20325, 123000), (20500, 121950), (22222, 112500), (22500, 111110), (24390, 102500), (24600, 101625), (25000, 99999), (25625, 97560), (27100, 92250), (28125, 88888), (30750, 81300), (32520, 76875), (33333, 75000), (33875, 73800), (36900, 67750), (37500, 66666), (40650, 61500), (41000, 60975), (44444, 56250), (45000, 55555), (46125, 54200), (48780, 51250)]