256446710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{68023}}^1$

素因数の和:68072

約数の個数: 32

約数和(自身を含む): 514261440

約数和(自身を除く): 257814730

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 68023, 136046, 340115, 680230, 884299, 1768598, 1972667, 3945334, 4421495, 8842990, 9863335, 19726670, 25644671, 51289342, 128223355, 256446710]

約数ペア:

[(1, 256446710), (2, 128223355), (5, 51289342), (10, 25644671), (13, 19726670), (26, 9863335), (29, 8842990), (58, 4421495), (65, 3945334), (130, 1972667), (145, 1768598), (290, 884299), (377, 680230), (754, 340115), (1885, 136046), (3770, 68023)]