90297400

素因数分解:

$2^3\times 5^2\times {\mathrm{353}}^1\times {\mathrm{1279}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 210700800

約数和(自身を除く): 120403400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 353, 706, 1279, 1412, 1765, 2558, 2824, 3530, 5116, 6395, 7060, 8825, 10232, 12790, 14120, 17650, 25580, 31975, 35300, 51160, 63950, 70600, 127900, 255800, 451487, 902974, 1805948, 2257435, 3611896, 4514870, 9029740, 11287175, 18059480, 22574350, 45148700, 90297400]

約数ペア:

[(1, 90297400), (2, 45148700), (4, 22574350), (5, 18059480), (8, 11287175), (10, 9029740), (20, 4514870), (25, 3611896), (40, 2257435), (50, 1805948), (100, 902974), (200, 451487), (353, 255800), (706, 127900), (1279, 70600), (1412, 63950), (1765, 51160), (2558, 35300), (2824, 31975), (3530, 25580), (5116, 17650), (6395, 14120), (7060, 12790), (8825, 10232)]