164998820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1783}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 396818688

約数和(自身を除く): 231819868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 1322, 1783, 2644, 3305, 3566, 4627, 6610, 7132, 8915, 9254, 12481, 13220, 17830, 18508, 23135, 24962, 35660, 46270, 49924, 62405, 92540, 124810, 249620, 1178563, 2357126, 4714252, 5892815, 8249941, 11785630, 16499882, 23571260, 32999764, 41249705, 82499410, 164998820]

約数ペア:

[(1, 164998820), (2, 82499410), (4, 41249705), (5, 32999764), (7, 23571260), (10, 16499882), (14, 11785630), (20, 8249941), (28, 5892815), (35, 4714252), (70, 2357126), (140, 1178563), (661, 249620), (1322, 124810), (1783, 92540), (2644, 62405), (3305, 49924), (3566, 46270), (4627, 35660), (6610, 24962), (7132, 23135), (8915, 18508), (9254, 17830), (12481, 13220)]