2021479250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12979}}^1$

素因数の和:13092

約数の個数: 64

約数和(自身を含む): 4373740800

約数和(自身を除く): 2352261550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 125, 175, 178, 250, 350, 445, 623, 875, 890, 1246, 1750, 2225, 3115, 4450, 6230, 11125, 12979, 15575, 22250, 25958, 31150, 64895, 77875, 90853, 129790, 155750, 181706, 324475, 454265, 648950, 908530, 1155131, 1622375, 2271325, 2310262, 3244750, 4542650, 5775655, 8085917, 11356625, 11551310, 16171834, 22713250, 28878275, 40429585, 57756550, 80859170, 144391375, 202147925, 288782750, 404295850, 1010739625, 2021479250]

約数ペア:

[(1, 2021479250), (2, 1010739625), (5, 404295850), (7, 288782750), (10, 202147925), (14, 144391375), (25, 80859170), (35, 57756550), (50, 40429585), (70, 28878275), (89, 22713250), (125, 16171834), (175, 11551310), (178, 11356625), (250, 8085917), (350, 5775655), (445, 4542650), (623, 3244750), (875, 2310262), (890, 2271325), (1246, 1622375), (1750, 1155131), (2225, 908530), (3115, 648950), (4450, 454265), (6230, 324475), (11125, 181706), (12979, 155750), (15575, 129790), (22250, 90853), (25958, 77875), (31150, 64895)]