2746180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 6286896

約数和(自身を除く): 3540716

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 197, 205, 340, 394, 410, 697, 788, 820, 985, 1394, 1970, 2788, 3349, 3485, 3940, 6698, 6970, 8077, 13396, 13940, 16154, 16745, 32308, 33490, 40385, 66980, 80770, 137309, 161540, 274618, 549236, 686545, 1373090, 2746180]

約数ペア:

[(1, 2746180), (2, 1373090), (4, 686545), (5, 549236), (10, 274618), (17, 161540), (20, 137309), (34, 80770), (41, 66980), (68, 40385), (82, 33490), (85, 32308), (164, 16745), (170, 16154), (197, 13940), (205, 13396), (340, 8077), (394, 6970), (410, 6698), (697, 3940), (788, 3485), (820, 3349), (985, 2788), (1394, 1970)]