68475820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489113}}^1$

素因数の和:489129

約数の個数: 24

約数和(自身を含む): 164342304

約数和(自身を除く): 95866484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489113, 978226, 1956452, 2445565, 3423791, 4891130, 6847582, 9782260, 13695164, 17118955, 34237910, 68475820]

約数ペア:

[(1, 68475820), (2, 34237910), (4, 17118955), (5, 13695164), (7, 9782260), (10, 6847582), (14, 4891130), (20, 3423791), (28, 2445565), (35, 1956452), (70, 978226), (140, 489113)]