208022990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{40709}}^1$

素因数の和:40796

約数の個数: 32

約数和(自身を含む): 433805760

約数和(自身を除く): 225782770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 40709, 81418, 203545, 284963, 407090, 569926, 1424815, 2849630, 2971757, 5943514, 14858785, 20802299, 29717570, 41604598, 104011495, 208022990]

約数ペア:

[(1, 208022990), (2, 104011495), (5, 41604598), (7, 29717570), (10, 20802299), (14, 14858785), (35, 5943514), (70, 2971757), (73, 2849630), (146, 1424815), (365, 569926), (511, 407090), (730, 284963), (1022, 203545), (2555, 81418), (5110, 40709)]