144428540

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{21817}}^1$

素因数の和:22157

約数の個数: 24

約数和(自身を含む): 304230192

約数和(自身を除く): 159801652

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 21817, 43634, 87268, 109085, 218170, 436340, 7221427, 14442854, 28885708, 36107135, 72214270, 144428540]

約数ペア:

[(1, 144428540), (2, 72214270), (4, 36107135), (5, 28885708), (10, 14442854), (20, 7221427), (331, 436340), (662, 218170), (1324, 109085), (1655, 87268), (3310, 43634), (6620, 21817)]