8621740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 18998784

約数和(自身を除く): 10377044

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 191, 244, 305, 370, 382, 610, 740, 764, 955, 1220, 1910, 2257, 3820, 4514, 7067, 9028, 11285, 11651, 14134, 22570, 23302, 28268, 35335, 45140, 46604, 58255, 70670, 116510, 141340, 233020, 431087, 862174, 1724348, 2155435, 4310870, 8621740]

約数ペア:

[(1, 8621740), (2, 4310870), (4, 2155435), (5, 1724348), (10, 862174), (20, 431087), (37, 233020), (61, 141340), (74, 116510), (122, 70670), (148, 58255), (185, 46604), (191, 45140), (244, 35335), (305, 28268), (370, 23302), (382, 22570), (610, 14134), (740, 11651), (764, 11285), (955, 9028), (1220, 7067), (1910, 4514), (2257, 3820)]