389855800

素因数分解:

$2^3\times 5^2\times {\mathrm{389}}^1\times {\mathrm{5011}}^1$

素因数の和:5416

約数の個数: 48

約数和(自身を含む): 908926200

約数和(自身を除く): 519070400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 389, 778, 1556, 1945, 3112, 3890, 5011, 7780, 9725, 10022, 15560, 19450, 20044, 25055, 38900, 40088, 50110, 77800, 100220, 125275, 200440, 250550, 501100, 1002200, 1949279, 3898558, 7797116, 9746395, 15594232, 19492790, 38985580, 48731975, 77971160, 97463950, 194927900, 389855800]

約数ペア:

[(1, 389855800), (2, 194927900), (4, 97463950), (5, 77971160), (8, 48731975), (10, 38985580), (20, 19492790), (25, 15594232), (40, 9746395), (50, 7797116), (100, 3898558), (200, 1949279), (389, 1002200), (778, 501100), (1556, 250550), (1945, 200440), (3112, 125275), (3890, 100220), (5011, 77800), (7780, 50110), (9725, 40088), (10022, 38900), (15560, 25055), (19450, 20044)]