1402103420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1\times {\mathrm{857}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 2970807840

約数和(自身を除く): 1568704420

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 457, 716, 857, 895, 914, 1714, 1790, 1828, 2285, 3428, 3580, 4285, 4570, 8570, 9140, 17140, 81803, 153403, 163606, 306806, 327212, 391649, 409015, 613612, 767015, 783298, 818030, 1534030, 1566596, 1636060, 1958245, 3068060, 3916490, 7832980, 70105171, 140210342, 280420684, 350525855, 701051710, 1402103420]

約数ペア:

[(1, 1402103420), (2, 701051710), (4, 350525855), (5, 280420684), (10, 140210342), (20, 70105171), (179, 7832980), (358, 3916490), (457, 3068060), (716, 1958245), (857, 1636060), (895, 1566596), (914, 1534030), (1714, 818030), (1790, 783298), (1828, 767015), (2285, 613612), (3428, 409015), (3580, 391649), (4285, 327212), (4570, 306806), (8570, 163606), (9140, 153403), (17140, 81803)]