400486564

素因数分解:

$2^2\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{1669}}^1$

素因数の和:2163

約数の個数: 24

約数和(自身を含む): 707011200

約数和(自身を除く): 306524636

約数列:

[1, 2, 4, 239, 251, 478, 502, 956, 1004, 1669, 3338, 6676, 59989, 119978, 239956, 398891, 418919, 797782, 837838, 1595564, 1675676, 100121641, 200243282, 400486564]

約数ペア:

[(1, 400486564), (2, 200243282), (4, 100121641), (239, 1675676), (251, 1595564), (478, 837838), (502, 797782), (956, 418919), (1004, 398891), (1669, 239956), (3338, 119978), (6676, 59989)]