393156680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1404131}}^1$

素因数の和:1404149

約数の個数: 32

約数和(自身を含む): 1010975040

約数和(自身を除く): 617818360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1404131, 2808262, 5616524, 7020655, 9828917, 11233048, 14041310, 19657834, 28082620, 39315668, 49144585, 56165240, 78631336, 98289170, 196578340, 393156680]

約数ペア:

[(1, 393156680), (2, 196578340), (4, 98289170), (5, 78631336), (7, 56165240), (8, 49144585), (10, 39315668), (14, 28082620), (20, 19657834), (28, 14041310), (35, 11233048), (40, 9828917), (56, 7020655), (70, 5616524), (140, 2808262), (280, 1404131)]