1640574740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{23297}}^1$

素因数の和:23816

約数の個数: 48

約数和(自身を含む): 3945376512

約数和(自身を除く): 2304801772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 1006, 2012, 2515, 3521, 5030, 7042, 10060, 14084, 17605, 23297, 35210, 46594, 70420, 93188, 116485, 163079, 232970, 326158, 465940, 652316, 815395, 1630790, 3261580, 11718391, 23436782, 46873564, 58591955, 82028737, 117183910, 164057474, 234367820, 328114948, 410143685, 820287370, 1640574740]

約数ペア:

[(1, 1640574740), (2, 820287370), (4, 410143685), (5, 328114948), (7, 234367820), (10, 164057474), (14, 117183910), (20, 82028737), (28, 58591955), (35, 46873564), (70, 23436782), (140, 11718391), (503, 3261580), (1006, 1630790), (2012, 815395), (2515, 652316), (3521, 465940), (5030, 326158), (7042, 232970), (10060, 163079), (14084, 116485), (17605, 93188), (23297, 70420), (35210, 46594)]