663050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 24

約数和(自身を含む): 1255500

約数和(自身を除く): 592450

約数列:

[1, 2, 5, 10, 25, 50, 89, 149, 178, 298, 445, 745, 890, 1490, 2225, 3725, 4450, 7450, 13261, 26522, 66305, 132610, 331525, 663050]

約数ペア:

[(1, 663050), (2, 331525), (5, 132610), (10, 66305), (25, 26522), (50, 13261), (89, 7450), (149, 4450), (178, 3725), (298, 2225), (445, 1490), (745, 890)]