140798980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16487}}^1$

素因数の和:16564

約数の個数: 48

約数和(自身を含む): 343478016

約数和(自身を除く): 202679036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 16487, 32974, 65948, 82435, 115409, 164870, 230818, 329740, 461636, 577045, 1005707, 1154090, 2011414, 2308180, 4022828, 5028535, 7039949, 10057070, 14079898, 20114140, 28159796, 35199745, 70399490, 140798980]

約数ペア:

[(1, 140798980), (2, 70399490), (4, 35199745), (5, 28159796), (7, 20114140), (10, 14079898), (14, 10057070), (20, 7039949), (28, 5028535), (35, 4022828), (61, 2308180), (70, 2011414), (122, 1154090), (140, 1005707), (244, 577045), (305, 461636), (427, 329740), (610, 230818), (854, 164870), (1220, 115409), (1708, 82435), (2135, 65948), (4270, 32974), (8540, 16487)]