77210840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{881}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 199402560

約数和(自身を除く): 122191720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 626, 881, 1252, 1565, 1762, 2191, 2504, 3130, 3524, 4382, 4405, 6167, 6260, 7048, 8764, 8810, 10955, 12334, 12520, 17528, 17620, 21910, 24668, 30835, 35240, 43820, 49336, 61670, 87640, 123340, 246680, 275753, 551506, 1103012, 1378765, 1930271, 2206024, 2757530, 3860542, 5515060, 7721084, 9651355, 11030120, 15442168, 19302710, 38605420, 77210840]

約数ペア:

[(1, 77210840), (2, 38605420), (4, 19302710), (5, 15442168), (7, 11030120), (8, 9651355), (10, 7721084), (14, 5515060), (20, 3860542), (28, 2757530), (35, 2206024), (40, 1930271), (56, 1378765), (70, 1103012), (140, 551506), (280, 275753), (313, 246680), (626, 123340), (881, 87640), (1252, 61670), (1565, 49336), (1762, 43820), (2191, 35240), (2504, 30835), (3130, 24668), (3524, 21910), (4382, 17620), (4405, 17528), (6167, 12520), (6260, 12334), (7048, 10955), (8764, 8810)]