28274680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100981}}^1$

素因数の和:100999

約数の個数: 32

約数和(自身を含む): 72707040

約数和(自身を除く): 44432360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100981, 201962, 403924, 504905, 706867, 807848, 1009810, 1413734, 2019620, 2827468, 3534335, 4039240, 5654936, 7068670, 14137340, 28274680]

約数ペア:

[(1, 28274680), (2, 14137340), (4, 7068670), (5, 5654936), (7, 4039240), (8, 3534335), (10, 2827468), (14, 2019620), (20, 1413734), (28, 1009810), (35, 807848), (40, 706867), (56, 504905), (70, 403924), (140, 201962), (280, 100981)]