70972990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1609}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 139799520

約数和(自身を除く): 68826530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 1609, 2005, 3218, 4010, 4411, 8045, 8822, 16090, 17699, 22055, 35398, 44110, 88495, 176990, 645209, 1290418, 3226045, 6452090, 7097299, 14194598, 35486495, 70972990]

約数ペア:

[(1, 70972990), (2, 35486495), (5, 14194598), (10, 7097299), (11, 6452090), (22, 3226045), (55, 1290418), (110, 645209), (401, 176990), (802, 88495), (1609, 44110), (2005, 35398), (3218, 22055), (4010, 17699), (4411, 16090), (8045, 8822)]