4379980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 10289664

約数和(自身を除く): 5909684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 463, 473, 860, 926, 946, 1852, 1892, 2315, 2365, 4630, 4730, 5093, 9260, 9460, 10186, 19909, 20372, 25465, 39818, 50930, 79636, 99545, 101860, 199090, 218999, 398180, 437998, 875996, 1094995, 2189990, 4379980]

約数ペア:

[(1, 4379980), (2, 2189990), (4, 1094995), (5, 875996), (10, 437998), (11, 398180), (20, 218999), (22, 199090), (43, 101860), (44, 99545), (55, 79636), (86, 50930), (110, 39818), (172, 25465), (215, 20372), (220, 19909), (430, 10186), (463, 9460), (473, 9260), (860, 5093), (926, 4730), (946, 4630), (1852, 2365), (1892, 2315)]