30074020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 67359600

約数和(自身を除く): 37285580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 449, 788, 898, 985, 1796, 1970, 2245, 3349, 3940, 4490, 6698, 7633, 8980, 13396, 15266, 16745, 30532, 33490, 38165, 66980, 76330, 88453, 152660, 176906, 353812, 442265, 884530, 1503701, 1769060, 3007402, 6014804, 7518505, 15037010, 30074020]

約数ペア:

[(1, 30074020), (2, 15037010), (4, 7518505), (5, 6014804), (10, 3007402), (17, 1769060), (20, 1503701), (34, 884530), (68, 442265), (85, 353812), (170, 176906), (197, 152660), (340, 88453), (394, 76330), (449, 66980), (788, 38165), (898, 33490), (985, 30532), (1796, 16745), (1970, 15266), (2245, 13396), (3349, 8980), (3940, 7633), (4490, 6698)]