56872340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 140307552

約数和(自身を除く): 83435212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 443, 490, 524, 655, 886, 917, 980, 1310, 1772, 1834, 2215, 2620, 3101, 3668, 4430, 4585, 6202, 6419, 8860, 9170, 12404, 12838, 15505, 18340, 21707, 25676, 31010, 32095, 43414, 58033, 62020, 64190, 86828, 108535, 116066, 128380, 217070, 232132, 290165, 406231, 434140, 580330, 812462, 1160660, 1624924, 2031155, 2843617, 4062310, 5687234, 8124620, 11374468, 14218085, 28436170, 56872340]

約数ペア:

[(1, 56872340), (2, 28436170), (4, 14218085), (5, 11374468), (7, 8124620), (10, 5687234), (14, 4062310), (20, 2843617), (28, 2031155), (35, 1624924), (49, 1160660), (70, 812462), (98, 580330), (131, 434140), (140, 406231), (196, 290165), (245, 232132), (262, 217070), (443, 128380), (490, 116066), (524, 108535), (655, 86828), (886, 64190), (917, 62020), (980, 58033), (1310, 43414), (1772, 32095), (1834, 31010), (2215, 25676), (2620, 21707), (3101, 18340), (3668, 15505), (4430, 12838), (4585, 12404), (6202, 9170), (6419, 8860)]