31502020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8423}}^1$

素因数の和:8460

約数の個数: 48

約数和(自身を含む): 76422528

約数和(自身を除く): 44920508

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 8423, 16846, 33692, 42115, 84230, 92653, 143191, 168460, 185306, 286382, 370612, 463265, 572764, 715955, 926530, 1431910, 1575101, 1853060, 2863820, 3150202, 6300404, 7875505, 15751010, 31502020]

約数ペア:

[(1, 31502020), (2, 15751010), (4, 7875505), (5, 6300404), (10, 3150202), (11, 2863820), (17, 1853060), (20, 1575101), (22, 1431910), (34, 926530), (44, 715955), (55, 572764), (68, 463265), (85, 370612), (110, 286382), (170, 185306), (187, 168460), (220, 143191), (340, 92653), (374, 84230), (748, 42115), (935, 33692), (1870, 16846), (3740, 8423)]