201818500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 483406560

約数和(自身を除く): 281588060

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 125, 130, 244, 250, 260, 305, 325, 500, 509, 610, 650, 793, 1018, 1220, 1300, 1525, 1586, 1625, 2036, 2545, 3050, 3172, 3250, 3965, 5090, 6100, 6500, 6617, 7625, 7930, 10180, 12725, 13234, 15250, 15860, 19825, 25450, 26468, 30500, 31049, 33085, 39650, 50900, 62098, 63625, 66170, 79300, 99125, 124196, 127250, 132340, 155245, 165425, 198250, 254500, 310490, 330850, 396500, 403637, 620980, 661700, 776225, 807274, 827125, 1552450, 1614548, 1654250, 2018185, 3104900, 3308500, 3881125, 4036370, 7762250, 8072740, 10090925, 15524500, 20181850, 40363700, 50454625, 100909250, 201818500]

約数ペア:

[(1, 201818500), (2, 100909250), (4, 50454625), (5, 40363700), (10, 20181850), (13, 15524500), (20, 10090925), (25, 8072740), (26, 7762250), (50, 4036370), (52, 3881125), (61, 3308500), (65, 3104900), (100, 2018185), (122, 1654250), (125, 1614548), (130, 1552450), (244, 827125), (250, 807274), (260, 776225), (305, 661700), (325, 620980), (500, 403637), (509, 396500), (610, 330850), (650, 310490), (793, 254500), (1018, 198250), (1220, 165425), (1300, 155245), (1525, 132340), (1586, 127250), (1625, 124196), (2036, 99125), (2545, 79300), (3050, 66170), (3172, 63625), (3250, 62098), (3965, 50900), (5090, 39650), (6100, 33085), (6500, 31049), (6617, 30500), (7625, 26468), (7930, 25450), (10180, 19825), (12725, 15860), (13234, 15250)]