690624340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4933031}}^1$

素因数の和:4933047

約数の個数: 24

約数和(自身を含む): 1657498752

約数和(自身を除く): 966874412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4933031, 9866062, 19732124, 24665155, 34531217, 49330310, 69062434, 98660620, 138124868, 172656085, 345312170, 690624340]

約数ペア:

[(1, 690624340), (2, 345312170), (4, 172656085), (5, 138124868), (7, 98660620), (10, 69062434), (14, 49330310), (20, 34531217), (28, 24665155), (35, 19732124), (70, 9866062), (140, 4933031)]