3643220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 8926848

約数和(自身を除く): 5283628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 491, 530, 742, 982, 1060, 1484, 1855, 1964, 2455, 3437, 3710, 4910, 6874, 7420, 9820, 13748, 17185, 26023, 34370, 52046, 68740, 104092, 130115, 182161, 260230, 364322, 520460, 728644, 910805, 1821610, 3643220]

約数ペア:

[(1, 3643220), (2, 1821610), (4, 910805), (5, 728644), (7, 520460), (10, 364322), (14, 260230), (20, 182161), (28, 130115), (35, 104092), (53, 68740), (70, 52046), (106, 34370), (140, 26023), (212, 17185), (265, 13748), (371, 9820), (491, 7420), (530, 6874), (742, 4910), (982, 3710), (1060, 3437), (1484, 2455), (1855, 1964)]