827573780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{34511}}^1$

素因数の和:34640

約数の個数: 48

約数和(自身を含む): 1913345280

約数和(自身を除く): 1085771500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 34511, 69022, 138044, 172555, 345110, 379621, 690220, 759242, 1518484, 1898105, 3761699, 3796210, 7523398, 7592420, 15046796, 18808495, 37616990, 41378689, 75233980, 82757378, 165514756, 206893445, 413786890, 827573780]

約数ペア:

[(1, 827573780), (2, 413786890), (4, 206893445), (5, 165514756), (10, 82757378), (11, 75233980), (20, 41378689), (22, 37616990), (44, 18808495), (55, 15046796), (109, 7592420), (110, 7523398), (218, 3796210), (220, 3761699), (436, 1898105), (545, 1518484), (1090, 759242), (1199, 690220), (2180, 379621), (2398, 345110), (4796, 172555), (5995, 138044), (11990, 69022), (23980, 34511)]