8295980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5387}}^1$

素因数の和:5414

約数の個数: 48

約数和(自身を含む): 21724416

約数和(自身を除く): 13428436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5387, 10774, 21548, 26935, 37709, 53870, 59257, 75418, 107740, 118514, 150836, 188545, 237028, 296285, 377090, 414799, 592570, 754180, 829598, 1185140, 1659196, 2073995, 4147990, 8295980]

約数ペア:

[(1, 8295980), (2, 4147990), (4, 2073995), (5, 1659196), (7, 1185140), (10, 829598), (11, 754180), (14, 592570), (20, 414799), (22, 377090), (28, 296285), (35, 237028), (44, 188545), (55, 150836), (70, 118514), (77, 107740), (110, 75418), (140, 59257), (154, 53870), (220, 37709), (308, 26935), (385, 21548), (770, 10774), (1540, 5387)]