99626420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 214652928

約数和(自身を除く): 115026508

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 643, 1220, 1270, 1286, 2540, 2572, 3215, 6430, 7747, 12860, 15494, 30988, 38735, 39223, 77470, 78446, 81661, 154940, 156892, 163322, 196115, 326644, 392230, 408305, 784460, 816610, 1633220, 4981321, 9962642, 19925284, 24906605, 49813210, 99626420]

約数ペア:

[(1, 99626420), (2, 49813210), (4, 24906605), (5, 19925284), (10, 9962642), (20, 4981321), (61, 1633220), (122, 816610), (127, 784460), (244, 408305), (254, 392230), (305, 326644), (508, 196115), (610, 163322), (635, 156892), (643, 154940), (1220, 81661), (1270, 78446), (1286, 77470), (2540, 39223), (2572, 38735), (3215, 30988), (6430, 15494), (7747, 12860)]