290467940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{3793}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 698581632

約数和(自身を除く): 408113692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 2188, 2735, 3793, 3829, 5470, 7586, 7658, 10940, 15172, 15316, 18965, 19145, 26551, 37930, 38290, 53102, 75860, 76580, 106204, 132755, 265510, 531020, 2074771, 4149542, 8299084, 10373855, 14523397, 20747710, 29046794, 41495420, 58093588, 72616985, 145233970, 290467940]

約数ペア:

[(1, 290467940), (2, 145233970), (4, 72616985), (5, 58093588), (7, 41495420), (10, 29046794), (14, 20747710), (20, 14523397), (28, 10373855), (35, 8299084), (70, 4149542), (140, 2074771), (547, 531020), (1094, 265510), (2188, 132755), (2735, 106204), (3793, 76580), (3829, 75860), (5470, 53102), (7586, 38290), (7658, 37930), (10940, 26551), (15172, 19145), (15316, 18965)]