1279105540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1\times {\mathrm{2339}}^1$

素因数の和:3124

約数の個数: 48

約数和(自身を含む): 2763633600

約数和(自身を除く): 1484528060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 739, 740, 1478, 2339, 2956, 3695, 4678, 7390, 9356, 11695, 14780, 23390, 27343, 46780, 54686, 86543, 109372, 136715, 173086, 273430, 346172, 432715, 546860, 865430, 1728521, 1730860, 3457042, 6914084, 8642605, 17285210, 34570420, 63955277, 127910554, 255821108, 319776385, 639552770, 1279105540]

約数ペア:

[(1, 1279105540), (2, 639552770), (4, 319776385), (5, 255821108), (10, 127910554), (20, 63955277), (37, 34570420), (74, 17285210), (148, 8642605), (185, 6914084), (370, 3457042), (739, 1730860), (740, 1728521), (1478, 865430), (2339, 546860), (2956, 432715), (3695, 346172), (4678, 273430), (7390, 173086), (9356, 136715), (11695, 109372), (14780, 86543), (23390, 54686), (27343, 46780)]