243896240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{435529}}^1$

素因数の和:435549

約数の個数: 40

約数和(自身を含む): 648068640

約数和(自身を除く): 404172400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 435529, 871058, 1742116, 2177645, 3048703, 3484232, 4355290, 6097406, 6968464, 8710580, 12194812, 15243515, 17421160, 24389624, 30487030, 34842320, 48779248, 60974060, 121948120, 243896240]

約数ペア:

[(1, 243896240), (2, 121948120), (4, 60974060), (5, 48779248), (7, 34842320), (8, 30487030), (10, 24389624), (14, 17421160), (16, 15243515), (20, 12194812), (28, 8710580), (35, 6968464), (40, 6097406), (56, 4355290), (70, 3484232), (80, 3048703), (112, 2177645), (140, 1742116), (280, 871058), (560, 435529)]