7438180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 16765056

約数和(自身を除く): 9326876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 167, 170, 262, 334, 340, 524, 655, 668, 835, 1310, 1670, 2227, 2620, 2839, 3340, 4454, 5678, 8908, 11135, 11356, 14195, 21877, 22270, 28390, 43754, 44540, 56780, 87508, 109385, 218770, 371909, 437540, 743818, 1487636, 1859545, 3719090, 7438180]

約数ペア:

[(1, 7438180), (2, 3719090), (4, 1859545), (5, 1487636), (10, 743818), (17, 437540), (20, 371909), (34, 218770), (68, 109385), (85, 87508), (131, 56780), (167, 44540), (170, 43754), (262, 28390), (334, 22270), (340, 21877), (524, 14195), (655, 11356), (668, 11135), (835, 8908), (1310, 5678), (1670, 4454), (2227, 3340), (2620, 2839)]