87349780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2957}}^1$

素因数の和:3184

約数の個数: 48

約数和(自身を含む): 210704256

約数和(自身を除く): 123354476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 2957, 4220, 5908, 5914, 7385, 11828, 14770, 14785, 20699, 29540, 29570, 41398, 59140, 82796, 103495, 206990, 413980, 623927, 1247854, 2495708, 3119635, 4367489, 6239270, 8734978, 12478540, 17469956, 21837445, 43674890, 87349780]

約数ペア:

[(1, 87349780), (2, 43674890), (4, 21837445), (5, 17469956), (7, 12478540), (10, 8734978), (14, 6239270), (20, 4367489), (28, 3119635), (35, 2495708), (70, 1247854), (140, 623927), (211, 413980), (422, 206990), (844, 103495), (1055, 82796), (1477, 59140), (2110, 41398), (2954, 29570), (2957, 29540), (4220, 20699), (5908, 14785), (5914, 14770), (7385, 11828)]