31718680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{16183}}^1$

素因数の和:16208

約数の個数: 48

約数和(自身を含む): 83023920

約数和(自身を除く): 51305240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 16183, 32366, 64732, 80915, 113281, 129464, 161830, 226562, 323660, 453124, 566405, 647320, 792967, 906248, 1132810, 1585934, 2265620, 3171868, 3964835, 4531240, 6343736, 7929670, 15859340, 31718680]

約数ペア:

[(1, 31718680), (2, 15859340), (4, 7929670), (5, 6343736), (7, 4531240), (8, 3964835), (10, 3171868), (14, 2265620), (20, 1585934), (28, 1132810), (35, 906248), (40, 792967), (49, 647320), (56, 566405), (70, 453124), (98, 323660), (140, 226562), (196, 161830), (245, 129464), (280, 113281), (392, 80915), (490, 64732), (980, 32366), (1960, 16183)]