318211490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{12329}}^1$

素因数の和:12454

約数の個数: 32

約数和(自身を含む): 599238000

約数和(自身を除く): 281026510

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 890, 2581, 5162, 12329, 12905, 24658, 25810, 61645, 123290, 357541, 715082, 1097281, 1787705, 2194562, 3575410, 5486405, 10972810, 31821149, 63642298, 159105745, 318211490]

約数ペア:

[(1, 318211490), (2, 159105745), (5, 63642298), (10, 31821149), (29, 10972810), (58, 5486405), (89, 3575410), (145, 2194562), (178, 1787705), (290, 1097281), (445, 715082), (890, 357541), (2581, 123290), (5162, 61645), (12329, 25810), (12905, 24658)]