152202020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 339519600

約数和(自身を除く): 187317580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 898, 997, 1796, 1994, 2245, 3988, 4490, 4985, 7633, 8980, 9970, 15266, 16949, 19940, 30532, 33898, 38165, 67796, 76330, 84745, 152660, 169490, 338980, 447653, 895306, 1790612, 2238265, 4476530, 7610101, 8953060, 15220202, 30440404, 38050505, 76101010, 152202020]

約数ペア:

[(1, 152202020), (2, 76101010), (4, 38050505), (5, 30440404), (10, 15220202), (17, 8953060), (20, 7610101), (34, 4476530), (68, 2238265), (85, 1790612), (170, 895306), (340, 447653), (449, 338980), (898, 169490), (997, 152660), (1796, 84745), (1994, 76330), (2245, 67796), (3988, 38165), (4490, 33898), (4985, 30532), (7633, 19940), (8980, 16949), (9970, 15266)]