202100000

素因数分解:

$2^5\times 5^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 519716736

約数和(自身を除く): 317616736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 47, 50, 80, 86, 94, 100, 125, 160, 172, 188, 200, 215, 235, 250, 344, 376, 400, 430, 470, 500, 625, 688, 752, 800, 860, 940, 1000, 1075, 1175, 1250, 1376, 1504, 1720, 1880, 2000, 2021, 2150, 2350, 2500, 3125, 3440, 3760, 4000, 4042, 4300, 4700, 5000, 5375, 5875, 6250, 6880, 7520, 8084, 8600, 9400, 10000, 10105, 10750, 11750, 12500, 16168, 17200, 18800, 20000, 20210, 21500, 23500, 25000, 26875, 29375, 32336, 34400, 37600, 40420, 43000, 47000, 50000, 50525, 53750, 58750, 64672, 80840, 86000, 94000, 100000, 101050, 107500, 117500, 134375, 146875, 161680, 172000, 188000, 202100, 215000, 235000, 252625, 268750, 293750, 323360, 404200, 430000, 470000, 505250, 537500, 587500, 808400, 860000, 940000, 1010500, 1075000, 1175000, 1263125, 1616800, 2021000, 2150000, 2350000, 2526250, 4042000, 4300000, 4700000, 5052500, 6315625, 8084000, 10105000, 12631250, 20210000, 25262500, 40420000, 50525000, 101050000, 202100000]

約数ペア:

[(1, 202100000), (2, 101050000), (4, 50525000), (5, 40420000), (8, 25262500), (10, 20210000), (16, 12631250), (20, 10105000), (25, 8084000), (32, 6315625), (40, 5052500), (43, 4700000), (47, 4300000), (50, 4042000), (80, 2526250), (86, 2350000), (94, 2150000), (100, 2021000), (125, 1616800), (160, 1263125), (172, 1175000), (188, 1075000), (200, 1010500), (215, 940000), (235, 860000), (250, 808400), (344, 587500), (376, 537500), (400, 505250), (430, 470000), (470, 430000), (500, 404200), (625, 323360), (688, 293750), (752, 268750), (800, 252625), (860, 235000), (940, 215000), (1000, 202100), (1075, 188000), (1175, 172000), (1250, 161680), (1376, 146875), (1504, 134375), (1720, 117500), (1880, 107500), (2000, 101050), (2021, 100000), (2150, 94000), (2350, 86000), (2500, 80840), (3125, 64672), (3440, 58750), (3760, 53750), (4000, 50525), (4042, 50000), (4300, 47000), (4700, 43000), (5000, 40420), (5375, 37600), (5875, 34400), (6250, 32336), (6880, 29375), (7520, 26875), (8084, 25000), (8600, 23500), (9400, 21500), (10000, 20210), (10105, 20000), (10750, 18800), (11750, 17200), (12500, 16168)]