31331080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2297}}^1$

素因数の和:2350

約数の個数: 64

約数和(自身を含む): 79418880

約数和(自身を除く): 48087800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2297, 2728, 3410, 4594, 6820, 9188, 11485, 13640, 18376, 22970, 25267, 45940, 50534, 71207, 91880, 101068, 126335, 142414, 202136, 252670, 284828, 356035, 505340, 569656, 712070, 783277, 1010680, 1424140, 1566554, 2848280, 3133108, 3916385, 6266216, 7832770, 15665540, 31331080]

約数ペア:

[(1, 31331080), (2, 15665540), (4, 7832770), (5, 6266216), (8, 3916385), (10, 3133108), (11, 2848280), (20, 1566554), (22, 1424140), (31, 1010680), (40, 783277), (44, 712070), (55, 569656), (62, 505340), (88, 356035), (110, 284828), (124, 252670), (155, 202136), (220, 142414), (248, 126335), (310, 101068), (341, 91880), (440, 71207), (620, 50534), (682, 45940), (1240, 25267), (1364, 22970), (1705, 18376), (2297, 13640), (2728, 11485), (3410, 9188), (4594, 6820)]