389675800

素因数分解:

$2^3\times 5^2\times {\mathrm{1009}}^1\times {\mathrm{1931}}^1$

素因数の和:2956

約数の個数: 48

約数和(自身を含む): 907363800

約数和(自身を除く): 517688000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1009, 1931, 2018, 3862, 4036, 5045, 7724, 8072, 9655, 10090, 15448, 19310, 20180, 25225, 38620, 40360, 48275, 50450, 77240, 96550, 100900, 193100, 201800, 386200, 1948379, 3896758, 7793516, 9741895, 15587032, 19483790, 38967580, 48709475, 77935160, 97418950, 194837900, 389675800]

約数ペア:

[(1, 389675800), (2, 194837900), (4, 97418950), (5, 77935160), (8, 48709475), (10, 38967580), (20, 19483790), (25, 15587032), (40, 9741895), (50, 7793516), (100, 3896758), (200, 1948379), (1009, 386200), (1931, 201800), (2018, 193100), (3862, 100900), (4036, 96550), (5045, 77240), (7724, 50450), (8072, 48275), (9655, 40360), (10090, 38620), (15448, 25225), (19310, 20180)]