40385492

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 83693568

約数和(自身を除く): 43308076

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 127, 164, 254, 277, 287, 508, 554, 574, 889, 1108, 1148, 1778, 1939, 3556, 3878, 5207, 7756, 10414, 11357, 20828, 22714, 35179, 36449, 45428, 70358, 72898, 79499, 140716, 145796, 158998, 246253, 317996, 492506, 985012, 1442339, 2884678, 5769356, 10096373, 20192746, 40385492]

約数ペア:

[(1, 40385492), (2, 20192746), (4, 10096373), (7, 5769356), (14, 2884678), (28, 1442339), (41, 985012), (82, 492506), (127, 317996), (164, 246253), (254, 158998), (277, 145796), (287, 140716), (508, 79499), (554, 72898), (574, 70358), (889, 45428), (1108, 36449), (1148, 35179), (1778, 22714), (1939, 20828), (3556, 11357), (3878, 10414), (5207, 7756)]