388753460

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{48473}}^1$

素因数の和:48883

約数の個数: 24

約数和(自身を含む): 818435016

約数和(自身を除く): 429681556

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 48473, 96946, 193892, 242365, 484730, 969460, 19437673, 38875346, 77750692, 97188365, 194376730, 388753460]

約数ペア:

[(1, 388753460), (2, 194376730), (4, 97188365), (5, 77750692), (10, 38875346), (20, 19437673), (401, 969460), (802, 484730), (1604, 242365), (2005, 193892), (4010, 96946), (8020, 48473)]