353447420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{1031}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 757826496

約数和(自身を除く): 404379076

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 281, 305, 562, 610, 1031, 1124, 1220, 1405, 2062, 2810, 4124, 5155, 5620, 10310, 17141, 20620, 34282, 62891, 68564, 85705, 125782, 171410, 251564, 289711, 314455, 342820, 579422, 628910, 1158844, 1257820, 1448555, 2897110, 5794220, 17672371, 35344742, 70689484, 88361855, 176723710, 353447420]

約数ペア:

[(1, 353447420), (2, 176723710), (4, 88361855), (5, 70689484), (10, 35344742), (20, 17672371), (61, 5794220), (122, 2897110), (244, 1448555), (281, 1257820), (305, 1158844), (562, 628910), (610, 579422), (1031, 342820), (1124, 314455), (1220, 289711), (1405, 251564), (2062, 171410), (2810, 125782), (4124, 85705), (5155, 68564), (5620, 62891), (10310, 34282), (17141, 20620)]