978513160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{568903}}^1$

素因数の和:568957

約数の個数: 32

約数和(自身を含む): 2252859840

約数和(自身を除く): 1274346680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 568903, 1137806, 2275612, 2844515, 4551224, 5689030, 11378060, 22756120, 24462829, 48925658, 97851316, 122314145, 195702632, 244628290, 489256580, 978513160]

約数ペア:

[(1, 978513160), (2, 489256580), (4, 244628290), (5, 195702632), (8, 122314145), (10, 97851316), (20, 48925658), (40, 24462829), (43, 22756120), (86, 11378060), (172, 5689030), (215, 4551224), (344, 2844515), (430, 2275612), (860, 1137806), (1720, 568903)]