416895490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{20939}}^1$

素因数の和:21138

約数の個数: 32

約数和(自身を含む): 823193280

約数和(自身を除く): 406297790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 19910, 20939, 41878, 104695, 209390, 230329, 460658, 1151645, 2303290, 3789959, 7579918, 18949795, 37899590, 41689549, 83379098, 208447745, 416895490]

約数ペア:

[(1, 416895490), (2, 208447745), (5, 83379098), (10, 41689549), (11, 37899590), (22, 18949795), (55, 7579918), (110, 3789959), (181, 2303290), (362, 1151645), (905, 460658), (1810, 230329), (1991, 209390), (3982, 104695), (9955, 41878), (19910, 20939)]