28429660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3329}}^1$

素因数の和:3406

約数の個数: 48

約数和(自身を含む): 69370560

約数和(自身を除く): 40940900

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, 3329, 4270, 6658, 8540, 13316, 16645, 23303, 33290, 46606, 66580, 93212, 116515, 203069, 233030, 406138, 466060, 812276, 1015345, 1421483, 2030690, 2842966, 4061380, 5685932, 7107415, 14214830, 28429660]

約数ペア:

[(1, 28429660), (2, 14214830), (4, 7107415), (5, 5685932), (7, 4061380), (10, 2842966), (14, 2030690), (20, 1421483), (28, 1015345), (35, 812276), (61, 466060), (70, 406138), (122, 233030), (140, 203069), (244, 116515), (305, 93212), (427, 66580), (610, 46606), (854, 33290), (1220, 23303), (1708, 16645), (2135, 13316), (3329, 8540), (4270, 6658)]