378675940

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{48673}}^1$

素因数の和:49071

約数の個数: 24

約数和(自身を含む): 797280120

約数和(自身を除く): 418604180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 48673, 97346, 194692, 243365, 486730, 973460, 18933797, 37867594, 75735188, 94668985, 189337970, 378675940]

約数ペア:

[(1, 378675940), (2, 189337970), (4, 94668985), (5, 75735188), (10, 37867594), (20, 18933797), (389, 973460), (778, 486730), (1556, 243365), (1945, 194692), (3890, 97346), (7780, 48673)]