31650220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{683}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 76301568

約数和(自身を除く): 44651348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 331, 662, 683, 1324, 1366, 1655, 2317, 2732, 3310, 3415, 4634, 4781, 6620, 6830, 9268, 9562, 11585, 13660, 19124, 23170, 23905, 46340, 47810, 95620, 226073, 452146, 904292, 1130365, 1582511, 2260730, 3165022, 4521460, 6330044, 7912555, 15825110, 31650220]

約数ペア:

[(1, 31650220), (2, 15825110), (4, 7912555), (5, 6330044), (7, 4521460), (10, 3165022), (14, 2260730), (20, 1582511), (28, 1130365), (35, 904292), (70, 452146), (140, 226073), (331, 95620), (662, 47810), (683, 46340), (1324, 23905), (1366, 23170), (1655, 19124), (2317, 13660), (2732, 11585), (3310, 9562), (3415, 9268), (4634, 6830), (4781, 6620)]