1981470

素因数分解:

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

素因数の和:524

約数の個数: 24

約数和(自身を含む): 4774104

約数和(自身を除く): 2792634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855, 7710, 66049, 132098, 198147, 330245, 396294, 660490, 990735, 1981470]

約数ペア:

[(1, 1981470), (2, 990735), (3, 660490), (5, 396294), (6, 330245), (10, 198147), (15, 132098), (30, 66049), (257, 7710), (514, 3855), (771, 2570), (1285, 1542)]