289802500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 703843448

約数和(自身を除く): 414040948

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 125, 130, 148, 185, 241, 250, 260, 325, 370, 481, 482, 500, 625, 650, 740, 925, 962, 964, 1205, 1250, 1300, 1625, 1850, 1924, 2405, 2410, 2500, 3133, 3250, 3700, 4625, 4810, 4820, 6025, 6266, 6500, 8125, 8917, 9250, 9620, 12025, 12050, 12532, 15665, 16250, 17834, 18500, 23125, 24050, 24100, 30125, 31330, 32500, 35668, 44585, 46250, 48100, 60125, 60250, 62660, 78325, 89170, 92500, 115921, 120250, 120500, 150625, 156650, 178340, 222925, 231842, 240500, 300625, 301250, 313300, 391625, 445850, 463684, 579605, 601250, 602500, 783250, 891700, 1114625, 1159210, 1202500, 1566500, 1958125, 2229250, 2318420, 2898025, 3916250, 4458500, 5573125, 5796050, 7832500, 11146250, 11592100, 14490125, 22292500, 28980250, 57960500, 72450625, 144901250, 289802500]

約数ペア:

[(1, 289802500), (2, 144901250), (4, 72450625), (5, 57960500), (10, 28980250), (13, 22292500), (20, 14490125), (25, 11592100), (26, 11146250), (37, 7832500), (50, 5796050), (52, 5573125), (65, 4458500), (74, 3916250), (100, 2898025), (125, 2318420), (130, 2229250), (148, 1958125), (185, 1566500), (241, 1202500), (250, 1159210), (260, 1114625), (325, 891700), (370, 783250), (481, 602500), (482, 601250), (500, 579605), (625, 463684), (650, 445850), (740, 391625), (925, 313300), (962, 301250), (964, 300625), (1205, 240500), (1250, 231842), (1300, 222925), (1625, 178340), (1850, 156650), (1924, 150625), (2405, 120500), (2410, 120250), (2500, 115921), (3133, 92500), (3250, 89170), (3700, 78325), (4625, 62660), (4810, 60250), (4820, 60125), (6025, 48100), (6266, 46250), (6500, 44585), (8125, 35668), (8917, 32500), (9250, 31330), (9620, 30125), (12025, 24100), (12050, 24050), (12532, 23125), (15665, 18500), (16250, 17834)]