635004890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 1301408640

約数和(自身を除く): 666403750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 317, 494, 634, 811, 1235, 1585, 1622, 2470, 3170, 4055, 4121, 6023, 8110, 8242, 10543, 12046, 15409, 20605, 21086, 30115, 30818, 41210, 52715, 60230, 77045, 78299, 105430, 154090, 156598, 200317, 257087, 391495, 400634, 514174, 782990, 1001585, 1285435, 2003170, 2570870, 3342131, 4884653, 6684262, 9769306, 16710655, 24423265, 33421310, 48846530, 63500489, 127000978, 317502445, 635004890]

約数ペア:

[(1, 635004890), (2, 317502445), (5, 127000978), (10, 63500489), (13, 48846530), (19, 33421310), (26, 24423265), (38, 16710655), (65, 9769306), (95, 6684262), (130, 4884653), (190, 3342131), (247, 2570870), (317, 2003170), (494, 1285435), (634, 1001585), (811, 782990), (1235, 514174), (1585, 400634), (1622, 391495), (2470, 257087), (3170, 200317), (4055, 156598), (4121, 154090), (6023, 105430), (8110, 78299), (8242, 77045), (10543, 60230), (12046, 52715), (15409, 41210), (20605, 30818), (21086, 30115)]