30960790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1721}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 63975744

約数和(自身を除く): 33014954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1721, 1799, 2570, 3442, 3598, 8605, 8995, 12047, 17210, 17990, 24094, 60235, 120470, 442297, 884594, 2211485, 3096079, 4422970, 6192158, 15480395, 30960790]

約数ペア:

[(1, 30960790), (2, 15480395), (5, 6192158), (7, 4422970), (10, 3096079), (14, 2211485), (35, 884594), (70, 442297), (257, 120470), (514, 60235), (1285, 24094), (1721, 17990), (1799, 17210), (2570, 12047), (3442, 8995), (3598, 8605)]