283720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 657720

約数和(自身を除く): 374000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 173, 205, 328, 346, 410, 692, 820, 865, 1384, 1640, 1730, 3460, 6920, 7093, 14186, 28372, 35465, 56744, 70930, 141860, 283720]

約数ペア:

[(1, 283720), (2, 141860), (4, 70930), (5, 56744), (8, 35465), (10, 28372), (20, 14186), (40, 7093), (41, 6920), (82, 3460), (164, 1730), (173, 1640), (205, 1384), (328, 865), (346, 820), (410, 692)]