229778840

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{6703}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 517682880

約数和(自身を除く): 287904040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 6703, 6856, 8570, 13406, 17140, 26812, 33515, 34280, 53624, 67030, 134060, 268120, 5744471, 11488942, 22977884, 28722355, 45955768, 57444710, 114889420, 229778840]

約数ペア:

[(1, 229778840), (2, 114889420), (4, 57444710), (5, 45955768), (8, 28722355), (10, 22977884), (20, 11488942), (40, 5744471), (857, 268120), (1714, 134060), (3428, 67030), (4285, 53624), (6703, 34280), (6856, 33515), (8570, 26812), (13406, 17140)]