30993820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10837}}^1$

素因数の和:10870

約数の個数: 48

約数和(自身を含む): 76472928

約数和(自身を除く): 45479108

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10837, 21674, 43348, 54185, 108370, 119207, 140881, 216740, 238414, 281762, 476828, 563524, 596035, 704405, 1192070, 1408810, 1549691, 2384140, 2817620, 3099382, 6198764, 7748455, 15496910, 30993820]

約数ペア:

[(1, 30993820), (2, 15496910), (4, 7748455), (5, 6198764), (10, 3099382), (11, 2817620), (13, 2384140), (20, 1549691), (22, 1408810), (26, 1192070), (44, 704405), (52, 596035), (55, 563524), (65, 476828), (110, 281762), (130, 238414), (143, 216740), (220, 140881), (260, 119207), (286, 108370), (572, 54185), (715, 43348), (1430, 21674), (2860, 10837)]