138306280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2341}}^1$

素因数の和:2570

約数の個数: 64

約数和(自身を含む): 357482880

約数和(自身を除く): 219176600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2341, 2954, 4220, 4682, 5908, 7385, 8440, 9364, 11705, 11816, 14770, 16387, 18728, 23410, 29540, 32774, 46820, 59080, 65548, 81935, 93640, 131096, 163870, 327740, 493951, 655480, 987902, 1975804, 2469755, 3457657, 3951608, 4939510, 6915314, 9879020, 13830628, 17288285, 19758040, 27661256, 34576570, 69153140, 138306280]

約数ペア:

[(1, 138306280), (2, 69153140), (4, 34576570), (5, 27661256), (7, 19758040), (8, 17288285), (10, 13830628), (14, 9879020), (20, 6915314), (28, 4939510), (35, 3951608), (40, 3457657), (56, 2469755), (70, 1975804), (140, 987902), (211, 655480), (280, 493951), (422, 327740), (844, 163870), (1055, 131096), (1477, 93640), (1688, 81935), (2110, 65548), (2341, 59080), (2954, 46820), (4220, 32774), (4682, 29540), (5908, 23410), (7385, 18728), (8440, 16387), (9364, 14770), (11705, 11816)]