17764984820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{257987}}^1$

素因数の和:258320

約数の個数: 48

約数和(自身を含む): 40828148928

約数和(自身を除く): 23063164108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 626, 1252, 1565, 3130, 3443, 6260, 6886, 13772, 17215, 34430, 68860, 257987, 515974, 1031948, 1289935, 2579870, 2837857, 5159740, 5675714, 11351428, 14189285, 28378570, 56757140, 80749931, 161499862, 322999724, 403749655, 807499310, 888249241, 1614998620, 1776498482, 3552996964, 4441246205, 8882492410, 17764984820]

約数ペア:

[(1, 17764984820), (2, 8882492410), (4, 4441246205), (5, 3552996964), (10, 1776498482), (11, 1614998620), (20, 888249241), (22, 807499310), (44, 403749655), (55, 322999724), (110, 161499862), (220, 80749931), (313, 56757140), (626, 28378570), (1252, 14189285), (1565, 11351428), (3130, 5675714), (3443, 5159740), (6260, 2837857), (6886, 2579870), (13772, 1289935), (17215, 1031948), (34430, 515974), (68860, 257987)]