2000878490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1973}}^1$

素因数の和:2291

約数の個数: 64

約数和(自身を含む): 4029328800

約数和(自身を除く): 2028450310

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 269, 290, 377, 538, 754, 1345, 1885, 1973, 2690, 3497, 3770, 3946, 6994, 7801, 9865, 15602, 17485, 19730, 25649, 34970, 39005, 51298, 57217, 78010, 101413, 114434, 128245, 202826, 256490, 286085, 507065, 530737, 572170, 743821, 1014130, 1061474, 1487642, 2653685, 3719105, 5307370, 6899581, 7438210, 13799162, 15391373, 30782746, 34497905, 68995810, 76956865, 153913730, 200087849, 400175698, 1000439245, 2000878490]

約数ペア:

[(1, 2000878490), (2, 1000439245), (5, 400175698), (10, 200087849), (13, 153913730), (26, 76956865), (29, 68995810), (58, 34497905), (65, 30782746), (130, 15391373), (145, 13799162), (269, 7438210), (290, 6899581), (377, 5307370), (538, 3719105), (754, 2653685), (1345, 1487642), (1885, 1061474), (1973, 1014130), (2690, 743821), (3497, 572170), (3770, 530737), (3946, 507065), (6994, 286085), (7801, 256490), (9865, 202826), (15602, 128245), (17485, 114434), (19730, 101413), (25649, 78010), (34970, 57217), (39005, 51298)]