31972990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2837}}^1$

素因数の和:2881

約数の個数: 48

約数和(自身を含む): 69882912

約数和(自身を除く): 37909922

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 2837, 5635, 5674, 11270, 14185, 19859, 28370, 39718, 65251, 99295, 130502, 139013, 198590, 278026, 326255, 456757, 652510, 695065, 913514, 1390130, 2283785, 3197299, 4567570, 6394598, 15986495, 31972990]

約数ペア:

[(1, 31972990), (2, 15986495), (5, 6394598), (7, 4567570), (10, 3197299), (14, 2283785), (23, 1390130), (35, 913514), (46, 695065), (49, 652510), (70, 456757), (98, 326255), (115, 278026), (161, 198590), (230, 139013), (245, 130502), (322, 99295), (490, 65251), (805, 39718), (1127, 28370), (1610, 19859), (2254, 14185), (2837, 11270), (5635, 5674)]