2257620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 6386688

約数和(自身を除く): 4129068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 197, 382, 394, 573, 591, 764, 788, 955, 985, 1146, 1182, 1910, 1970, 2292, 2364, 2865, 2955, 3820, 3940, 5730, 5910, 11460, 11820, 37627, 75254, 112881, 150508, 188135, 225762, 376270, 451524, 564405, 752540, 1128810, 2257620]

約数ペア:

[(1, 2257620), (2, 1128810), (3, 752540), (4, 564405), (5, 451524), (6, 376270), (10, 225762), (12, 188135), (15, 150508), (20, 112881), (30, 75254), (60, 37627), (191, 11820), (197, 11460), (382, 5910), (394, 5730), (573, 3940), (591, 3820), (764, 2955), (788, 2865), (955, 2364), (985, 2292), (1146, 1970), (1182, 1910)]