902390830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:825

約数の個数: 64

約数和(自身を含む): 1808386560

約数和(自身を除く): 905995730

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 227, 355, 454, 509, 710, 781, 1018, 1135, 1562, 2270, 2497, 2545, 3905, 4994, 5090, 5599, 7810, 11198, 12485, 16117, 24970, 27995, 32234, 36139, 55990, 72278, 80585, 115543, 161170, 177287, 180695, 231086, 354574, 361390, 397529, 577715, 795058, 886435, 1155430, 1270973, 1772870, 1987645, 2541946, 3975290, 6354865, 8203553, 12709730, 16407106, 41017765, 82035530, 90239083, 180478166, 451195415, 902390830]

約数ペア:

[(1, 902390830), (2, 451195415), (5, 180478166), (10, 90239083), (11, 82035530), (22, 41017765), (55, 16407106), (71, 12709730), (110, 8203553), (142, 6354865), (227, 3975290), (355, 2541946), (454, 1987645), (509, 1772870), (710, 1270973), (781, 1155430), (1018, 886435), (1135, 795058), (1562, 577715), (2270, 397529), (2497, 361390), (2545, 354574), (3905, 231086), (4994, 180695), (5090, 177287), (5599, 161170), (7810, 115543), (11198, 80585), (12485, 72278), (16117, 55990), (24970, 36139), (27995, 32234)]