1431140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 3030720

約数和(自身を除く): 1599580

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 439, 652, 815, 878, 1630, 1756, 2195, 3260, 4390, 8780, 71557, 143114, 286228, 357785, 715570, 1431140]

約数ペア:

[(1, 1431140), (2, 715570), (4, 357785), (5, 286228), (10, 143114), (20, 71557), (163, 8780), (326, 4390), (439, 3260), (652, 2195), (815, 1756), (878, 1630)]