70393660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 151865280

約数和(自身を除く): 81471620

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 355, 356, 445, 557, 710, 890, 1114, 1420, 1780, 2228, 2785, 5570, 6319, 11140, 12638, 25276, 31595, 39547, 49573, 63190, 79094, 99146, 126380, 158188, 197735, 198292, 247865, 395470, 495730, 790940, 991460, 3519683, 7039366, 14078732, 17598415, 35196830, 70393660]

約数ペア:

[(1, 70393660), (2, 35196830), (4, 17598415), (5, 14078732), (10, 7039366), (20, 3519683), (71, 991460), (89, 790940), (142, 495730), (178, 395470), (284, 247865), (355, 198292), (356, 197735), (445, 158188), (557, 126380), (710, 99146), (890, 79094), (1114, 63190), (1420, 49573), (1780, 39547), (2228, 31595), (2785, 25276), (5570, 12638), (6319, 11140)]