200917360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{719}}^1$

素因数の和:1238

約数の個数: 80

約数和(自身を含む): 535680000

約数和(自身を除く): 334762640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 499, 560, 719, 998, 1438, 1996, 2495, 2876, 3493, 3595, 3992, 4990, 5033, 5752, 6986, 7190, 7984, 9980, 10066, 11504, 13972, 14380, 17465, 19960, 20132, 25165, 27944, 28760, 34930, 39920, 40264, 50330, 55888, 57520, 69860, 80528, 100660, 139720, 201320, 279440, 358781, 402640, 717562, 1435124, 1793905, 2511467, 2870248, 3587810, 5022934, 5740496, 7175620, 10045868, 12557335, 14351240, 20091736, 25114670, 28702480, 40183472, 50229340, 100458680, 200917360]

約数ペア:

[(1, 200917360), (2, 100458680), (4, 50229340), (5, 40183472), (7, 28702480), (8, 25114670), (10, 20091736), (14, 14351240), (16, 12557335), (20, 10045868), (28, 7175620), (35, 5740496), (40, 5022934), (56, 3587810), (70, 2870248), (80, 2511467), (112, 1793905), (140, 1435124), (280, 717562), (499, 402640), (560, 358781), (719, 279440), (998, 201320), (1438, 139720), (1996, 100660), (2495, 80528), (2876, 69860), (3493, 57520), (3595, 55888), (3992, 50330), (4990, 40264), (5033, 39920), (5752, 34930), (6986, 28760), (7190, 27944), (7984, 25165), (9980, 20132), (10066, 19960), (11504, 17465), (13972, 14380)]