26935580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{457}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 64940736

約数和(自身を除く): 38005156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 457, 842, 914, 1684, 1828, 2105, 2285, 2947, 3199, 4210, 4570, 5894, 6398, 8420, 9140, 11788, 12796, 14735, 15995, 29470, 31990, 58940, 63980, 192397, 384794, 769588, 961985, 1346779, 1923970, 2693558, 3847940, 5387116, 6733895, 13467790, 26935580]

約数ペア:

[(1, 26935580), (2, 13467790), (4, 6733895), (5, 5387116), (7, 3847940), (10, 2693558), (14, 1923970), (20, 1346779), (28, 961985), (35, 769588), (70, 384794), (140, 192397), (421, 63980), (457, 58940), (842, 31990), (914, 29470), (1684, 15995), (1828, 14735), (2105, 12796), (2285, 11788), (2947, 9140), (3199, 8420), (4210, 6398), (4570, 5894)]