308890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 32

約数和(自身を含む): 622080

約数和(自身を除く): 313190

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 79, 85, 115, 158, 170, 230, 391, 395, 782, 790, 1343, 1817, 1955, 2686, 3634, 3910, 6715, 9085, 13430, 18170, 30889, 61778, 154445, 308890]

約数ペア:

[(1, 308890), (2, 154445), (5, 61778), (10, 30889), (17, 18170), (23, 13430), (34, 9085), (46, 6715), (79, 3910), (85, 3634), (115, 2686), (158, 1955), (170, 1817), (230, 1343), (391, 790), (395, 782)]