28738500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 288

約数和(自身を含む): 107557632

約数和(自身を除く): 78819132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 25, 28, 30, 34, 35, 42, 46, 49, 50, 51, 60, 68, 69, 70, 75, 84, 85, 92, 98, 100, 102, 105, 115, 119, 125, 138, 140, 147, 150, 161, 170, 175, 196, 204, 210, 230, 238, 245, 250, 255, 276, 294, 300, 322, 340, 345, 350, 357, 375, 391, 420, 425, 460, 476, 483, 490, 500, 510, 525, 575, 588, 595, 644, 690, 700, 714, 735, 750, 782, 805, 833, 850, 875, 966, 980, 1020, 1050, 1127, 1150, 1173, 1190, 1225, 1275, 1380, 1428, 1470, 1500, 1564, 1610, 1666, 1700, 1725, 1750, 1785, 1932, 1955, 2100, 2125, 2254, 2300, 2346, 2380, 2415, 2450, 2499, 2550, 2625, 2737, 2875, 2940, 2975, 3220, 3332, 3381, 3450, 3500, 3570, 3675, 3910, 4025, 4165, 4250, 4508, 4692, 4830, 4900, 4998, 5100, 5250, 5474, 5635, 5750, 5865, 5950, 6125, 6375, 6762, 6900, 7140, 7350, 7820, 8050, 8211, 8330, 8500, 8625, 8925, 9660, 9775, 9996, 10500, 10948, 11270, 11500, 11730, 11900, 12075, 12250, 12495, 12750, 13524, 13685, 14700, 14875, 16100, 16422, 16660, 16905, 17250, 17850, 18375, 19159, 19550, 20125, 20825, 22540, 23460, 24150, 24500, 24990, 25500, 27370, 28175, 29325, 29750, 32844, 33810, 34500, 35700, 36750, 38318, 39100, 40250, 41055, 41650, 44625, 48300, 48875, 49980, 54740, 56350, 57477, 58650, 59500, 60375, 62475, 67620, 68425, 73500, 76636, 80500, 82110, 83300, 84525, 89250, 95795, 97750, 104125, 112700, 114954, 117300, 120750, 124950, 136850, 140875, 146625, 164220, 169050, 178500, 191590, 195500, 205275, 208250, 229908, 241500, 249900, 273700, 281750, 287385, 293250, 312375, 338100, 342125, 383180, 410550, 416500, 422625, 478975, 563500, 574770, 586500, 624750, 684250, 821100, 845250, 957950, 1026375, 1149540, 1249500, 1368500, 1436925, 1690500, 1915900, 2052750, 2394875, 2873850, 4105500, 4789750, 5747700, 7184625, 9579500, 14369250, 28738500]

約数ペア:

[(1, 28738500), (2, 14369250), (3, 9579500), (4, 7184625), (5, 5747700), (6, 4789750), (7, 4105500), (10, 2873850), (12, 2394875), (14, 2052750), (15, 1915900), (17, 1690500), (20, 1436925), (21, 1368500), (23, 1249500), (25, 1149540), (28, 1026375), (30, 957950), (34, 845250), (35, 821100), (42, 684250), (46, 624750), (49, 586500), (50, 574770), (51, 563500), (60, 478975), (68, 422625), (69, 416500), (70, 410550), (75, 383180), (84, 342125), (85, 338100), (92, 312375), (98, 293250), (100, 287385), (102, 281750), (105, 273700), (115, 249900), (119, 241500), (125, 229908), (138, 208250), (140, 205275), (147, 195500), (150, 191590), (161, 178500), (170, 169050), (175, 164220), (196, 146625), (204, 140875), (210, 136850), (230, 124950), (238, 120750), (245, 117300), (250, 114954), (255, 112700), (276, 104125), (294, 97750), (300, 95795), (322, 89250), (340, 84525), (345, 83300), (350, 82110), (357, 80500), (375, 76636), (391, 73500), (420, 68425), (425, 67620), (460, 62475), (476, 60375), (483, 59500), (490, 58650), (500, 57477), (510, 56350), (525, 54740), (575, 49980), (588, 48875), (595, 48300), (644, 44625), (690, 41650), (700, 41055), (714, 40250), (735, 39100), (750, 38318), (782, 36750), (805, 35700), (833, 34500), (850, 33810), (875, 32844), (966, 29750), (980, 29325), (1020, 28175), (1050, 27370), (1127, 25500), (1150, 24990), (1173, 24500), (1190, 24150), (1225, 23460), (1275, 22540), (1380, 20825), (1428, 20125), (1470, 19550), (1500, 19159), (1564, 18375), (1610, 17850), (1666, 17250), (1700, 16905), (1725, 16660), (1750, 16422), (1785, 16100), (1932, 14875), (1955, 14700), (2100, 13685), (2125, 13524), (2254, 12750), (2300, 12495), (2346, 12250), (2380, 12075), (2415, 11900), (2450, 11730), (2499, 11500), (2550, 11270), (2625, 10948), (2737, 10500), (2875, 9996), (2940, 9775), (2975, 9660), (3220, 8925), (3332, 8625), (3381, 8500), (3450, 8330), (3500, 8211), (3570, 8050), (3675, 7820), (3910, 7350), (4025, 7140), (4165, 6900), (4250, 6762), (4508, 6375), (4692, 6125), (4830, 5950), (4900, 5865), (4998, 5750), (5100, 5635), (5250, 5474)]