1554740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 3677184

約数和(自身を除く): 2122444

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 191, 220, 370, 382, 407, 740, 764, 814, 955, 1628, 1910, 2035, 2101, 3820, 4070, 4202, 7067, 8140, 8404, 10505, 14134, 21010, 28268, 35335, 42020, 70670, 77737, 141340, 155474, 310948, 388685, 777370, 1554740]

約数ペア:

[(1, 1554740), (2, 777370), (4, 388685), (5, 310948), (10, 155474), (11, 141340), (20, 77737), (22, 70670), (37, 42020), (44, 35335), (55, 28268), (74, 21010), (110, 14134), (148, 10505), (185, 8404), (191, 8140), (220, 7067), (370, 4202), (382, 4070), (407, 3820), (740, 2101), (764, 2035), (814, 1910), (955, 1628)]