205592890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{16487}}^1$

素因数の和:16566

約数の個数: 32

約数和(自身を含む): 391754880

約数和(自身を除く): 186161990

約数列:

[1, 2, 5, 10, 29, 43, 58, 86, 145, 215, 290, 430, 1247, 2494, 6235, 12470, 16487, 32974, 82435, 164870, 478123, 708941, 956246, 1417882, 2390615, 3544705, 4781230, 7089410, 20559289, 41118578, 102796445, 205592890]

約数ペア:

[(1, 205592890), (2, 102796445), (5, 41118578), (10, 20559289), (29, 7089410), (43, 4781230), (58, 3544705), (86, 2390615), (145, 1417882), (215, 956246), (290, 708941), (430, 478123), (1247, 164870), (2494, 82435), (6235, 32974), (12470, 16487)]