31076920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{110989}}^1$

素因数の和:111007

約数の個数: 32

約数和(自身を含む): 79912800

約数和(自身を除く): 48835880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 110989, 221978, 443956, 554945, 776923, 887912, 1109890, 1553846, 2219780, 3107692, 3884615, 4439560, 6215384, 7769230, 15538460, 31076920]

約数ペア:

[(1, 31076920), (2, 15538460), (4, 7769230), (5, 6215384), (7, 4439560), (8, 3884615), (10, 3107692), (14, 2219780), (20, 1553846), (28, 1109890), (35, 887912), (40, 776923), (56, 554945), (70, 443956), (140, 221978), (280, 110989)]