138904780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34213}}^1$

素因数の和:34258

約数の個数: 48

約数和(自身を含む): 344877120

約数和(自身を除く): 205972340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 34213, 68426, 136852, 171065, 239491, 342130, 478982, 684260, 957964, 992177, 1197455, 1984354, 2394910, 3968708, 4789820, 4960885, 6945239, 9921770, 13890478, 19843540, 27780956, 34726195, 69452390, 138904780]

約数ペア:

[(1, 138904780), (2, 69452390), (4, 34726195), (5, 27780956), (7, 19843540), (10, 13890478), (14, 9921770), (20, 6945239), (28, 4960885), (29, 4789820), (35, 3968708), (58, 2394910), (70, 1984354), (116, 1197455), (140, 992177), (145, 957964), (203, 684260), (290, 478982), (406, 342130), (580, 239491), (812, 171065), (1015, 136852), (2030, 68426), (4060, 34213)]