27728890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2213}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 57386880

約数和(自身を除く): 29657990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2213, 2506, 4426, 6265, 11065, 12530, 15491, 22130, 30982, 77455, 154910, 396127, 792254, 1980635, 2772889, 3961270, 5545778, 13864445, 27728890]

約数ペア:

[(1, 27728890), (2, 13864445), (5, 5545778), (7, 3961270), (10, 2772889), (14, 1980635), (35, 792254), (70, 396127), (179, 154910), (358, 77455), (895, 30982), (1253, 22130), (1790, 15491), (2213, 12530), (2506, 11065), (4426, 6265)]