30431830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1637}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 64746864

約数和(自身を除く): 34315034

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1637, 1690, 1859, 3274, 3718, 8185, 9295, 16370, 18007, 18590, 21281, 36014, 42562, 90035, 106405, 180070, 212810, 234091, 276653, 468182, 553306, 1170455, 1383265, 2340910, 2766530, 3043183, 6086366, 15215915, 30431830]

約数ペア:

[(1, 30431830), (2, 15215915), (5, 6086366), (10, 3043183), (11, 2766530), (13, 2340910), (22, 1383265), (26, 1170455), (55, 553306), (65, 468182), (110, 276653), (130, 234091), (143, 212810), (169, 180070), (286, 106405), (338, 90035), (715, 42562), (845, 36014), (1430, 21281), (1637, 18590), (1690, 18007), (1859, 16370), (3274, 9295), (3718, 8185)]