20199705610

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{256049}}^1$

素因数の和:256100

約数の個数: 64

約数和(自身を含む): 44245440000

約数和(自身を除く): 24045734390

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 343, 490, 686, 805, 1127, 1610, 1715, 2254, 3430, 5635, 7889, 11270, 15778, 39445, 78890, 256049, 512098, 1280245, 1792343, 2560490, 3584686, 5889127, 8961715, 11778254, 12546401, 17923430, 25092802, 29445635, 41223889, 58891270, 62732005, 82447778, 87824807, 125464010, 175649614, 206119445, 288567223, 412238890, 439124035, 577134446, 878248070, 1442836115, 2019970561, 2885672230, 4039941122, 10099852805, 20199705610]

約数ペア:

[(1, 20199705610), (2, 10099852805), (5, 4039941122), (7, 2885672230), (10, 2019970561), (14, 1442836115), (23, 878248070), (35, 577134446), (46, 439124035), (49, 412238890), (70, 288567223), (98, 206119445), (115, 175649614), (161, 125464010), (230, 87824807), (245, 82447778), (322, 62732005), (343, 58891270), (490, 41223889), (686, 29445635), (805, 25092802), (1127, 17923430), (1610, 12546401), (1715, 11778254), (2254, 8961715), (3430, 5889127), (5635, 3584686), (7889, 2560490), (11270, 1792343), (15778, 1280245), (39445, 512098), (78890, 256049)]