89666360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320237}}^1$

素因数の和:320255

約数の個数: 32

約数和(自身を含む): 230571360

約数和(自身を除く): 140905000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320237, 640474, 1280948, 1601185, 2241659, 2561896, 3202370, 4483318, 6404740, 8966636, 11208295, 12809480, 17933272, 22416590, 44833180, 89666360]

約数ペア:

[(1, 89666360), (2, 44833180), (4, 22416590), (5, 17933272), (7, 12809480), (8, 11208295), (10, 8966636), (14, 6404740), (20, 4483318), (28, 3202370), (35, 2561896), (40, 2241659), (56, 1601185), (70, 1280948), (140, 640474), (280, 320237)]