1418140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 3259872

約数和(自身を除く): 1841732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 97, 170, 172, 194, 215, 340, 388, 430, 485, 731, 860, 970, 1462, 1649, 1940, 2924, 3298, 3655, 4171, 6596, 7310, 8245, 8342, 14620, 16490, 16684, 20855, 32980, 41710, 70907, 83420, 141814, 283628, 354535, 709070, 1418140]

約数ペア:

[(1, 1418140), (2, 709070), (4, 354535), (5, 283628), (10, 141814), (17, 83420), (20, 70907), (34, 41710), (43, 32980), (68, 20855), (85, 16684), (86, 16490), (97, 14620), (170, 8342), (172, 8245), (194, 7310), (215, 6596), (340, 4171), (388, 3655), (430, 3298), (485, 2924), (731, 1940), (860, 1649), (970, 1462)]