1234420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 2935296

約数和(自身を除く): 1700876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 181, 220, 310, 341, 362, 620, 682, 724, 905, 1364, 1705, 1810, 1991, 3410, 3620, 3982, 5611, 6820, 7964, 9955, 11222, 19910, 22444, 28055, 39820, 56110, 61721, 112220, 123442, 246884, 308605, 617210, 1234420]

約数ペア:

[(1, 1234420), (2, 617210), (4, 308605), (5, 246884), (10, 123442), (11, 112220), (20, 61721), (22, 56110), (31, 39820), (44, 28055), (55, 22444), (62, 19910), (110, 11222), (124, 9955), (155, 7964), (181, 6820), (220, 5611), (310, 3982), (341, 3620), (362, 3410), (620, 1991), (682, 1810), (724, 1705), (905, 1364)]