28945910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 59814720

約数和(自身を除く): 30868810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1609, 1799, 2570, 3218, 3598, 8045, 8995, 11263, 16090, 17990, 22526, 56315, 112630, 413513, 827026, 2067565, 2894591, 4135130, 5789182, 14472955, 28945910]

約数ペア:

[(1, 28945910), (2, 14472955), (5, 5789182), (7, 4135130), (10, 2894591), (14, 2067565), (35, 827026), (70, 413513), (257, 112630), (514, 56315), (1285, 22526), (1609, 17990), (1799, 16090), (2570, 11263), (3218, 8995), (3598, 8045)]