2691640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9613}}^1$

素因数の和:9631

約数の個数: 32

約数和(自身を含む): 6922080

約数和(自身を除く): 4230440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9613, 19226, 38452, 48065, 67291, 76904, 96130, 134582, 192260, 269164, 336455, 384520, 538328, 672910, 1345820, 2691640]

約数ペア:

[(1, 2691640), (2, 1345820), (4, 672910), (5, 538328), (7, 384520), (8, 336455), (10, 269164), (14, 192260), (20, 134582), (28, 96130), (35, 76904), (40, 67291), (56, 48065), (70, 38452), (140, 19226), (280, 9613)]