256775010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{22003}}^1$

素因数の和:22402

約数の個数: 32

約数和(自身を含む): 617872320

約数和(自身を除く): 361097310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1945, 2334, 3890, 5835, 11670, 22003, 44006, 66009, 110015, 132018, 220030, 330045, 660090, 8559167, 17118334, 25677501, 42795835, 51355002, 85591670, 128387505, 256775010]

約数ペア:

[(1, 256775010), (2, 128387505), (3, 85591670), (5, 51355002), (6, 42795835), (10, 25677501), (15, 17118334), (30, 8559167), (389, 660090), (778, 330045), (1167, 220030), (1945, 132018), (2334, 110015), (3890, 66009), (5835, 44006), (11670, 22003)]