68631380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2081}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 154251216

約数和(自身を除く): 85619836

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 485, 970, 1649, 1940, 2081, 3298, 4162, 6596, 8245, 8324, 10405, 16490, 20810, 32980, 35377, 41620, 70754, 141508, 176885, 201857, 353770, 403714, 707540, 807428, 1009285, 2018570, 3431569, 4037140, 6863138, 13726276, 17157845, 34315690, 68631380]

約数ペア:

[(1, 68631380), (2, 34315690), (4, 17157845), (5, 13726276), (10, 6863138), (17, 4037140), (20, 3431569), (34, 2018570), (68, 1009285), (85, 807428), (97, 707540), (170, 403714), (194, 353770), (340, 201857), (388, 176885), (485, 141508), (970, 70754), (1649, 41620), (1940, 35377), (2081, 32980), (3298, 20810), (4162, 16490), (6596, 10405), (8245, 8324)]