315644840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1127303}}^1$

素因数の和:1127321

約数の個数: 32

約数和(自身を含む): 811658880

約数和(自身を除く): 496014040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1127303, 2254606, 4509212, 5636515, 7891121, 9018424, 11273030, 15782242, 22546060, 31564484, 39455605, 45092120, 63128968, 78911210, 157822420, 315644840]

約数ペア:

[(1, 315644840), (2, 157822420), (4, 78911210), (5, 63128968), (7, 45092120), (8, 39455605), (10, 31564484), (14, 22546060), (20, 15782242), (28, 11273030), (35, 9018424), (40, 7891121), (56, 5636515), (70, 4509212), (140, 2254606), (280, 1127303)]