419701820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 899629248

約数和(自身を除く): 479927428

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 292, 314, 365, 628, 730, 785, 1460, 1570, 1831, 3140, 3662, 7324, 9155, 11461, 18310, 22922, 36620, 45844, 57305, 114610, 133663, 229220, 267326, 287467, 534652, 574934, 668315, 1149868, 1336630, 1437335, 2673260, 2874670, 5749340, 20985091, 41970182, 83940364, 104925455, 209850910, 419701820]

約数ペア:

[(1, 419701820), (2, 209850910), (4, 104925455), (5, 83940364), (10, 41970182), (20, 20985091), (73, 5749340), (146, 2874670), (157, 2673260), (292, 1437335), (314, 1336630), (365, 1149868), (628, 668315), (730, 574934), (785, 534652), (1460, 287467), (1570, 267326), (1831, 229220), (3140, 133663), (3662, 114610), (7324, 57305), (9155, 45844), (11461, 36620), (18310, 22922)]