28402870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 52329600

約数和(自身を除く): 23926730

約数列:

[1, 2, 5, 10, 79, 157, 158, 229, 314, 395, 458, 785, 790, 1145, 1570, 2290, 12403, 18091, 24806, 35953, 36182, 62015, 71906, 90455, 124030, 179765, 180910, 359530, 2840287, 5680574, 14201435, 28402870]

約数ペア:

[(1, 28402870), (2, 14201435), (5, 5680574), (10, 2840287), (79, 359530), (157, 180910), (158, 179765), (229, 124030), (314, 90455), (395, 71906), (458, 62015), (785, 36182), (790, 35953), (1145, 24806), (1570, 18091), (2290, 12403)]