171640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{613}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 442080

約数和(自身を除く): 270440

約数列:

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

約数ペア:

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