975440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 2310120

約数和(自身を除く): 1334680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 137, 178, 274, 356, 445, 548, 685, 712, 890, 1096, 1370, 1424, 1780, 2192, 2740, 3560, 5480, 7120, 10960, 12193, 24386, 48772, 60965, 97544, 121930, 195088, 243860, 487720, 975440]

約数ペア:

[(1, 975440), (2, 487720), (4, 243860), (5, 195088), (8, 121930), (10, 97544), (16, 60965), (20, 48772), (40, 24386), (80, 12193), (89, 10960), (137, 7120), (178, 5480), (274, 3560), (356, 2740), (445, 2192), (548, 1780), (685, 1424), (712, 1370), (890, 1096)]