389640390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{65929}}^1$

素因数の和:66136

約数の個数: 32

約数和(自身を含む): 939898080

約数和(自身を除く): 550257690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 5910, 65929, 131858, 197787, 329645, 395574, 659290, 988935, 1977870, 12988013, 25976026, 38964039, 64940065, 77928078, 129880130, 194820195, 389640390]

約数ペア:

[(1, 389640390), (2, 194820195), (3, 129880130), (5, 77928078), (6, 64940065), (10, 38964039), (15, 25976026), (30, 12988013), (197, 1977870), (394, 988935), (591, 659290), (985, 395574), (1182, 329645), (1970, 197787), (2955, 131858), (5910, 65929)]