1900201880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{470347}}^1$

素因数の和:470459

約数の個数: 32

約数和(自身を含む): 4317794640

約数和(自身を除く): 2417592760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 470347, 940694, 1881388, 2351735, 3762776, 4703470, 9406940, 18813880, 47505047, 95010094, 190020188, 237525235, 380040376, 475050470, 950100940, 1900201880]

約数ペア:

[(1, 1900201880), (2, 950100940), (4, 475050470), (5, 380040376), (8, 237525235), (10, 190020188), (20, 95010094), (40, 47505047), (101, 18813880), (202, 9406940), (404, 4703470), (505, 3762776), (808, 2351735), (1010, 1881388), (2020, 940694), (4040, 470347)]