419045980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{86939}}^1$

素因数の和:87189

約数の個数: 24

約数和(自身を含む): 883658160

約数和(自身を除く): 464612180

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 86939, 173878, 347756, 434695, 869390, 1738780, 20952299, 41904598, 83809196, 104761495, 209522990, 419045980]

約数ペア:

[(1, 419045980), (2, 209522990), (4, 104761495), (5, 83809196), (10, 41904598), (20, 20952299), (241, 1738780), (482, 869390), (964, 434695), (1205, 347756), (2410, 173878), (4820, 86939)]