221853460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{270553}}^1$

素因数の和:270603

約数の個数: 24

約数和(自身を含む): 477257256

約数和(自身を除く): 255403796

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 270553, 541106, 1082212, 1352765, 2705530, 5411060, 11092673, 22185346, 44370692, 55463365, 110926730, 221853460]

約数ペア:

[(1, 221853460), (2, 110926730), (4, 55463365), (5, 44370692), (10, 22185346), (20, 11092673), (41, 5411060), (82, 2705530), (164, 1352765), (205, 1082212), (410, 541106), (820, 270553)]