30636980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1064

約数の個数: 48

約数和(自身を含む): 70713216

約数和(自身を除く): 40076236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 887, 1570, 1727, 1774, 3140, 3454, 3548, 4435, 6908, 8635, 8870, 9757, 17270, 17740, 19514, 34540, 39028, 48785, 97570, 139259, 195140, 278518, 557036, 696295, 1392590, 1531849, 2785180, 3063698, 6127396, 7659245, 15318490, 30636980]

約数ペア:

[(1, 30636980), (2, 15318490), (4, 7659245), (5, 6127396), (10, 3063698), (11, 2785180), (20, 1531849), (22, 1392590), (44, 696295), (55, 557036), (110, 278518), (157, 195140), (220, 139259), (314, 97570), (628, 48785), (785, 39028), (887, 34540), (1570, 19514), (1727, 17740), (1774, 17270), (3140, 9757), (3454, 8870), (3548, 8635), (4435, 6908)]