31285240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{111733}}^1$

素因数の和:111751

約数の個数: 32

約数和(自身を含む): 80448480

約数和(自身を除く): 49163240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 111733, 223466, 446932, 558665, 782131, 893864, 1117330, 1564262, 2234660, 3128524, 3910655, 4469320, 6257048, 7821310, 15642620, 31285240]

約数ペア:

[(1, 31285240), (2, 15642620), (4, 7821310), (5, 6257048), (7, 4469320), (8, 3910655), (10, 3128524), (14, 2234660), (20, 1564262), (28, 1117330), (35, 893864), (40, 782131), (56, 558665), (70, 446932), (140, 223466), (280, 111733)]