207975820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27583}}^1$

素因数の和:27634

約数の個数: 48

約数和(自身を含む): 486581760

約数和(自身を除く): 278605940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 27583, 55166, 110332, 137915, 275830, 358579, 551660, 717158, 799907, 1434316, 1599814, 1792895, 3199628, 3585790, 3999535, 7171580, 7999070, 10398791, 15998140, 20797582, 41595164, 51993955, 103987910, 207975820]

約数ペア:

[(1, 207975820), (2, 103987910), (4, 51993955), (5, 41595164), (10, 20797582), (13, 15998140), (20, 10398791), (26, 7999070), (29, 7171580), (52, 3999535), (58, 3585790), (65, 3199628), (116, 1792895), (130, 1599814), (145, 1434316), (260, 799907), (290, 717158), (377, 551660), (580, 358579), (754, 275830), (1508, 137915), (1885, 110332), (3770, 55166), (7540, 27583)]