126173740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81931}}^1$

素因数の和:81958

約数の個数: 48

約数和(自身を含む): 330349824

約数和(自身を除く): 204176084

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 81931, 163862, 327724, 409655, 573517, 819310, 901241, 1147034, 1638620, 1802482, 2294068, 2867585, 3604964, 4506205, 5735170, 6308687, 9012410, 11470340, 12617374, 18024820, 25234748, 31543435, 63086870, 126173740]

約数ペア:

[(1, 126173740), (2, 63086870), (4, 31543435), (5, 25234748), (7, 18024820), (10, 12617374), (11, 11470340), (14, 9012410), (20, 6308687), (22, 5735170), (28, 4506205), (35, 3604964), (44, 2867585), (55, 2294068), (70, 1802482), (77, 1638620), (110, 1147034), (140, 901241), (154, 819310), (220, 573517), (308, 409655), (385, 327724), (770, 163862), (1540, 81931)]