818026280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{3917}}^1$

素因数の和:4178

約数の個数: 64

約数和(自身を含む): 1929536640

約数和(自身を除く): 1111510360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 227, 230, 454, 460, 908, 920, 1135, 1816, 2270, 3917, 4540, 5221, 7834, 9080, 10442, 15668, 19585, 20884, 26105, 31336, 39170, 41768, 52210, 78340, 90091, 104420, 156680, 180182, 208840, 360364, 450455, 720728, 889159, 900910, 1778318, 1801820, 3556636, 3603640, 4445795, 7113272, 8891590, 17783180, 20450657, 35566360, 40901314, 81802628, 102253285, 163605256, 204506570, 409013140, 818026280]

約数ペア:

[(1, 818026280), (2, 409013140), (4, 204506570), (5, 163605256), (8, 102253285), (10, 81802628), (20, 40901314), (23, 35566360), (40, 20450657), (46, 17783180), (92, 8891590), (115, 7113272), (184, 4445795), (227, 3603640), (230, 3556636), (454, 1801820), (460, 1778318), (908, 900910), (920, 889159), (1135, 720728), (1816, 450455), (2270, 360364), (3917, 208840), (4540, 180182), (5221, 156680), (7834, 104420), (9080, 90091), (10442, 78340), (15668, 52210), (19585, 41768), (20884, 39170), (26105, 31336)]