343280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{613}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 913632

約数和(自身を除く): 570352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 613, 1226, 2452, 3065, 4291, 4904, 6130, 8582, 9808, 12260, 17164, 21455, 24520, 34328, 42910, 49040, 68656, 85820, 171640, 343280]

約数ペア:

[(1, 343280), (2, 171640), (4, 85820), (5, 68656), (7, 49040), (8, 42910), (10, 34328), (14, 24520), (16, 21455), (20, 17164), (28, 12260), (35, 9808), (40, 8582), (56, 6130), (70, 4904), (80, 4291), (112, 3065), (140, 2452), (280, 1226), (560, 613)]