1550620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3499776

約数和(自身を除く): 1949156

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 61, 62, 82, 122, 124, 155, 164, 205, 244, 305, 310, 410, 610, 620, 820, 1220, 1271, 1891, 2501, 2542, 3782, 5002, 5084, 6355, 7564, 9455, 10004, 12505, 12710, 18910, 25010, 25420, 37820, 50020, 77531, 155062, 310124, 387655, 775310, 1550620]

約数ペア:

[(1, 1550620), (2, 775310), (4, 387655), (5, 310124), (10, 155062), (20, 77531), (31, 50020), (41, 37820), (61, 25420), (62, 25010), (82, 18910), (122, 12710), (124, 12505), (155, 10004), (164, 9455), (205, 7564), (244, 6355), (305, 5084), (310, 5002), (410, 3782), (610, 2542), (620, 2501), (820, 1891), (1220, 1271)]