149095640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{11261}}^1$

素因数の和:11603

約数の個数: 32

約数和(自身を含む): 336508560

約数和(自身を除く): 187412920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 11261, 13240, 22522, 45044, 56305, 90088, 112610, 225220, 450440, 3727391, 7454782, 14909564, 18636955, 29819128, 37273910, 74547820, 149095640]

約数ペア:

[(1, 149095640), (2, 74547820), (4, 37273910), (5, 29819128), (8, 18636955), (10, 14909564), (20, 7454782), (40, 3727391), (331, 450440), (662, 225220), (1324, 112610), (1655, 90088), (2648, 56305), (3310, 45044), (6620, 22522), (11261, 13240)]