77617580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5309}}^1$

素因数の和:5378

約数の個数: 48

約数和(自身を含む): 176631840

約数和(自身を除く): 99014260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 5309, 7310, 10618, 14620, 21236, 26545, 53090, 90253, 106180, 180506, 228287, 361012, 451265, 456574, 902530, 913148, 1141435, 1805060, 2282870, 3880879, 4565740, 7761758, 15523516, 19404395, 38808790, 77617580]

約数ペア:

[(1, 77617580), (2, 38808790), (4, 19404395), (5, 15523516), (10, 7761758), (17, 4565740), (20, 3880879), (34, 2282870), (43, 1805060), (68, 1141435), (85, 913148), (86, 902530), (170, 456574), (172, 451265), (215, 361012), (340, 228287), (430, 180506), (731, 106180), (860, 90253), (1462, 53090), (2924, 26545), (3655, 21236), (5309, 14620), (7310, 10618)]