1814680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6481}}^1$

素因数の和:6499

約数の個数: 32

約数和(自身を含む): 4667040

約数和(自身を除く): 2852360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6481, 12962, 25924, 32405, 45367, 51848, 64810, 90734, 129620, 181468, 226835, 259240, 362936, 453670, 907340, 1814680]

約数ペア:

[(1, 1814680), (2, 907340), (4, 453670), (5, 362936), (7, 259240), (8, 226835), (10, 181468), (14, 129620), (20, 90734), (28, 64810), (35, 51848), (40, 45367), (56, 32405), (70, 25924), (140, 12962), (280, 6481)]