18856550000

素因数分解:

$2^4\times 5^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:938

約数の個数: 240

約数和(自身を含む): 50216785920

約数和(自身を除く): 31360235920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 25, 38, 40, 46, 50, 76, 80, 92, 95, 100, 115, 125, 152, 184, 190, 200, 230, 250, 304, 368, 380, 400, 437, 460, 475, 500, 575, 625, 760, 863, 874, 920, 950, 1000, 1150, 1250, 1520, 1726, 1748, 1840, 1900, 2000, 2185, 2300, 2375, 2500, 2875, 3125, 3452, 3496, 3800, 4315, 4370, 4600, 4750, 5000, 5750, 6250, 6904, 6992, 7600, 8630, 8740, 9200, 9500, 10000, 10925, 11500, 11875, 12500, 13808, 14375, 16397, 17260, 17480, 19000, 19849, 21575, 21850, 23000, 23750, 25000, 28750, 32794, 34520, 34960, 38000, 39698, 43150, 43700, 46000, 47500, 50000, 54625, 57500, 59375, 65588, 69040, 71875, 79396, 81985, 86300, 87400, 95000, 99245, 107875, 109250, 115000, 118750, 131176, 143750, 158792, 163970, 172600, 174800, 190000, 198490, 215750, 218500, 230000, 237500, 262352, 273125, 287500, 317584, 327940, 345200, 377131, 396980, 409925, 431500, 437000, 475000, 496225, 539375, 546250, 575000, 655880, 754262, 793960, 819850, 863000, 874000, 950000, 992450, 1078750, 1092500, 1150000, 1311760, 1365625, 1508524, 1587920, 1639700, 1726000, 1885655, 1984900, 2049625, 2157500, 2185000, 2481125, 2696875, 2731250, 3017048, 3279400, 3771310, 3969800, 4099250, 4315000, 4370000, 4962250, 5393750, 5462500, 6034096, 6558800, 7542620, 7939600, 8198500, 8630000, 9428275, 9924500, 10248125, 10787500, 10925000, 12405625, 15085240, 16397000, 18856550, 19849000, 20496250, 21575000, 21850000, 24811250, 30170480, 32794000, 37713100, 39698000, 40992500, 43150000, 47141375, 49622500, 51240625, 62028125, 75426200, 81985000, 94282750, 99245000, 102481250, 124056250, 150852400, 163970000, 188565500, 198490000, 204962500, 235706875, 248112500, 377131000, 409925000, 471413750, 496225000, 754262000, 819850000, 942827500, 992450000, 1178534375, 1885655000, 2357068750, 3771310000, 4714137500, 9428275000, 18856550000]

約数ペア:

[(1, 18856550000), (2, 9428275000), (4, 4714137500), (5, 3771310000), (8, 2357068750), (10, 1885655000), (16, 1178534375), (19, 992450000), (20, 942827500), (23, 819850000), (25, 754262000), (38, 496225000), (40, 471413750), (46, 409925000), (50, 377131000), (76, 248112500), (80, 235706875), (92, 204962500), (95, 198490000), (100, 188565500), (115, 163970000), (125, 150852400), (152, 124056250), (184, 102481250), (190, 99245000), (200, 94282750), (230, 81985000), (250, 75426200), (304, 62028125), (368, 51240625), (380, 49622500), (400, 47141375), (437, 43150000), (460, 40992500), (475, 39698000), (500, 37713100), (575, 32794000), (625, 30170480), (760, 24811250), (863, 21850000), (874, 21575000), (920, 20496250), (950, 19849000), (1000, 18856550), (1150, 16397000), (1250, 15085240), (1520, 12405625), (1726, 10925000), (1748, 10787500), (1840, 10248125), (1900, 9924500), (2000, 9428275), (2185, 8630000), (2300, 8198500), (2375, 7939600), (2500, 7542620), (2875, 6558800), (3125, 6034096), (3452, 5462500), (3496, 5393750), (3800, 4962250), (4315, 4370000), (4370, 4315000), (4600, 4099250), (4750, 3969800), (5000, 3771310), (5750, 3279400), (6250, 3017048), (6904, 2731250), (6992, 2696875), (7600, 2481125), (8630, 2185000), (8740, 2157500), (9200, 2049625), (9500, 1984900), (10000, 1885655), (10925, 1726000), (11500, 1639700), (11875, 1587920), (12500, 1508524), (13808, 1365625), (14375, 1311760), (16397, 1150000), (17260, 1092500), (17480, 1078750), (19000, 992450), (19849, 950000), (21575, 874000), (21850, 863000), (23000, 819850), (23750, 793960), (25000, 754262), (28750, 655880), (32794, 575000), (34520, 546250), (34960, 539375), (38000, 496225), (39698, 475000), (43150, 437000), (43700, 431500), (46000, 409925), (47500, 396980), (50000, 377131), (54625, 345200), (57500, 327940), (59375, 317584), (65588, 287500), (69040, 273125), (71875, 262352), (79396, 237500), (81985, 230000), (86300, 218500), (87400, 215750), (95000, 198490), (99245, 190000), (107875, 174800), (109250, 172600), (115000, 163970), (118750, 158792), (131176, 143750)]