315024430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{642907}}^1$

素因数の和:642928

約数の個数: 24

約数和(自身を含む): 659623608

約数和(自身を除く): 344599178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 642907, 1285814, 3214535, 4500349, 6429070, 9000698, 22501745, 31502443, 45003490, 63004886, 157512215, 315024430]

約数ペア:

[(1, 315024430), (2, 157512215), (5, 63004886), (7, 45003490), (10, 31502443), (14, 22501745), (35, 9000698), (49, 6429070), (70, 4500349), (98, 3214535), (245, 1285814), (490, 642907)]