1806409820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{541}}^1\times {\mathrm{2287}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 3854218368

約数和(自身を除く): 2047808548

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 541, 730, 1082, 1460, 2164, 2287, 2705, 4574, 5410, 9148, 10820, 11435, 22870, 39493, 45740, 78986, 157972, 166951, 197465, 333902, 394930, 667804, 789860, 834755, 1237267, 1669510, 2474534, 3339020, 4949068, 6186335, 12372670, 24745340, 90320491, 180640982, 361281964, 451602455, 903204910, 1806409820]

約数ペア:

[(1, 1806409820), (2, 903204910), (4, 451602455), (5, 361281964), (10, 180640982), (20, 90320491), (73, 24745340), (146, 12372670), (292, 6186335), (365, 4949068), (541, 3339020), (730, 2474534), (1082, 1669510), (1460, 1237267), (2164, 834755), (2287, 789860), (2705, 667804), (4574, 394930), (5410, 333902), (9148, 197465), (10820, 166951), (11435, 157972), (22870, 78986), (39493, 45740)]