689100290

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{1459}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 1260178560

約数和(自身を除く): 571078270

約数列:

[1, 2, 5, 10, 73, 146, 365, 647, 730, 1294, 1459, 2918, 3235, 6470, 7295, 14590, 47231, 94462, 106507, 213014, 236155, 472310, 532535, 943973, 1065070, 1887946, 4719865, 9439730, 68910029, 137820058, 344550145, 689100290]

約数ペア:

[(1, 689100290), (2, 344550145), (5, 137820058), (10, 68910029), (73, 9439730), (146, 4719865), (365, 1887946), (647, 1065070), (730, 943973), (1294, 532535), (1459, 472310), (2918, 236155), (3235, 213014), (6470, 106507), (7295, 94462), (14590, 47231)]