137559580

素因数分解:

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

素因数の和:263

約数の個数: 72

約数和(自身を含む): 316240848

約数和(自身を除く): 178681268

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, 9409, 14620, 16490, 16684, 18818, 20855, 32980, 37636, 41710, 47045, 70907, 83420, 94090, 141814, 159953, 188180, 283628, 319906, 354535, 404587, 639812, 709070, 799765, 809174, 1418140, 1599530, 1618348, 2022935, 3199060, 4045870, 6877979, 8091740, 13755958, 27511916, 34389895, 68779790, 137559580]

約数ペア:

[(1, 137559580), (2, 68779790), (4, 34389895), (5, 27511916), (10, 13755958), (17, 8091740), (20, 6877979), (34, 4045870), (43, 3199060), (68, 2022935), (85, 1618348), (86, 1599530), (97, 1418140), (170, 809174), (172, 799765), (194, 709070), (215, 639812), (340, 404587), (388, 354535), (430, 319906), (485, 283628), (731, 188180), (860, 159953), (970, 141814), (1462, 94090), (1649, 83420), (1940, 70907), (2924, 47045), (3298, 41710), (3655, 37636), (4171, 32980), (6596, 20855), (7310, 18818), (8245, 16684), (8342, 16490), (9409, 14620)]