213474440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313933}}^1$

素因数の和:313961

約数の個数: 32

約数和(自身を含む): 508573080

約数和(自身を除く): 295098640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 313933, 627866, 1255732, 1569665, 2511464, 3139330, 5336861, 6278660, 10673722, 12557320, 21347444, 26684305, 42694888, 53368610, 106737220, 213474440]

約数ペア:

[(1, 213474440), (2, 106737220), (4, 53368610), (5, 42694888), (8, 26684305), (10, 21347444), (17, 12557320), (20, 10673722), (34, 6278660), (40, 5336861), (68, 3139330), (85, 2511464), (136, 1569665), (170, 1255732), (340, 627866), (680, 313933)]