129450380

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 280052640

約数和(自身を除く): 150602260

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 970, 1060, 1259, 1940, 2518, 5036, 5141, 6295, 10282, 12590, 20564, 25180, 25705, 51410, 66727, 102820, 122123, 133454, 244246, 266908, 333635, 488492, 610615, 667270, 1221230, 1334540, 2442460, 6472519, 12945038, 25890076, 32362595, 64725190, 129450380]

約数ペア:

[(1, 129450380), (2, 64725190), (4, 32362595), (5, 25890076), (10, 12945038), (20, 6472519), (53, 2442460), (97, 1334540), (106, 1221230), (194, 667270), (212, 610615), (265, 488492), (388, 333635), (485, 266908), (530, 244246), (970, 133454), (1060, 122123), (1259, 102820), (1940, 66727), (2518, 51410), (5036, 25705), (5141, 25180), (6295, 20564), (10282, 12590)]