401025620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{1831}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 864235008

約数和(自身を除く): 463209388

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 233, 235, 466, 470, 932, 940, 1165, 1831, 2330, 3662, 4660, 7324, 9155, 10951, 18310, 21902, 36620, 43804, 54755, 86057, 109510, 172114, 219020, 344228, 426623, 430285, 853246, 860570, 1706492, 1721140, 2133115, 4266230, 8532460, 20051281, 40102562, 80205124, 100256405, 200512810, 401025620]

約数ペア:

[(1, 401025620), (2, 200512810), (4, 100256405), (5, 80205124), (10, 40102562), (20, 20051281), (47, 8532460), (94, 4266230), (188, 2133115), (233, 1721140), (235, 1706492), (466, 860570), (470, 853246), (932, 430285), (940, 426623), (1165, 344228), (1831, 219020), (2330, 172114), (3662, 109510), (4660, 86057), (7324, 54755), (9155, 43804), (10951, 36620), (18310, 21902)]