628557740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{8123}}^1$

素因数の和:8258

約数の個数: 48

約数和(自身を含む): 1363467168

約数和(自身を除く): 734909428

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1060, 1460, 3869, 7738, 8123, 15476, 16246, 19345, 32492, 38690, 40615, 77380, 81230, 162460, 430519, 592979, 861038, 1185958, 1722076, 2152595, 2371916, 2964895, 4305190, 5929790, 8610380, 11859580, 31427887, 62855774, 125711548, 157139435, 314278870, 628557740]

約数ペア:

[(1, 628557740), (2, 314278870), (4, 157139435), (5, 125711548), (10, 62855774), (20, 31427887), (53, 11859580), (73, 8610380), (106, 5929790), (146, 4305190), (212, 2964895), (265, 2371916), (292, 2152595), (365, 1722076), (530, 1185958), (730, 861038), (1060, 592979), (1460, 430519), (3869, 162460), (7738, 81230), (8123, 77380), (15476, 40615), (16246, 38690), (19345, 32492)]