291224570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{320027}}^1$

素因数の和:320054

約数の個数: 32

約数和(自身を含む): 645176448

約数和(自身を除く): 353951878

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 320027, 640054, 1600135, 2240189, 3200270, 4160351, 4480378, 8320702, 11200945, 20801755, 22401890, 29122457, 41603510, 58244914, 145612285, 291224570]

約数ペア:

[(1, 291224570), (2, 145612285), (5, 58244914), (7, 41603510), (10, 29122457), (13, 22401890), (14, 20801755), (26, 11200945), (35, 8320702), (65, 4480378), (70, 4160351), (91, 3200270), (130, 2240189), (182, 1600135), (455, 640054), (910, 320027)]