86825740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 186278400

約数和(自身を除く): 99452660

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 307, 316, 358, 395, 614, 716, 790, 895, 1228, 1535, 1580, 1790, 3070, 3580, 6140, 14141, 24253, 28282, 48506, 54953, 56564, 70705, 97012, 109906, 121265, 141410, 219812, 242530, 274765, 282820, 485060, 549530, 1099060, 4341287, 8682574, 17365148, 21706435, 43412870, 86825740]

約数ペア:

[(1, 86825740), (2, 43412870), (4, 21706435), (5, 17365148), (10, 8682574), (20, 4341287), (79, 1099060), (158, 549530), (179, 485060), (307, 282820), (316, 274765), (358, 242530), (395, 219812), (614, 141410), (716, 121265), (790, 109906), (895, 97012), (1228, 70705), (1535, 56564), (1580, 54953), (1790, 48506), (3070, 28282), (3580, 24253), (6140, 14141)]