245816275

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 311364000

約数和(自身を除く): 65547725

約数列:

[1, 5, 25, 61, 305, 359, 449, 1525, 1795, 2245, 8975, 11225, 21899, 27389, 109495, 136945, 161191, 547475, 684725, 805955, 4029775, 9832651, 49163255, 245816275]

約数ペア:

[(1, 245816275), (5, 49163255), (25, 9832651), (61, 4029775), (305, 805955), (359, 684725), (449, 547475), (1525, 161191), (1795, 136945), (2245, 109495), (8975, 27389), (11225, 21899)]