9976740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 28086912

約数和(自身を除く): 18110172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 647, 771, 1028, 1285, 1294, 1542, 1941, 2570, 2588, 3084, 3235, 3855, 3882, 5140, 6470, 7710, 7764, 9705, 12940, 15420, 19410, 38820, 166279, 332558, 498837, 665116, 831395, 997674, 1662790, 1995348, 2494185, 3325580, 4988370, 9976740]

約数ペア:

[(1, 9976740), (2, 4988370), (3, 3325580), (4, 2494185), (5, 1995348), (6, 1662790), (10, 997674), (12, 831395), (15, 665116), (20, 498837), (30, 332558), (60, 166279), (257, 38820), (514, 19410), (647, 15420), (771, 12940), (1028, 9705), (1285, 7764), (1294, 7710), (1542, 6470), (1941, 5140), (2570, 3882), (2588, 3855), (3084, 3235)]