70920400

素因数分解:

$2^4\times 5^2\times {\mathrm{177301}}^1$

素因数の和:177319

約数の個数: 30

約数和(自身を含む): 170387222

約数和(自身を除く): 99466822

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 177301, 354602, 709204, 886505, 1418408, 1773010, 2836816, 3546020, 4432525, 7092040, 8865050, 14184080, 17730100, 35460200, 70920400]

約数ペア:

[(1, 70920400), (2, 35460200), (4, 17730100), (5, 14184080), (8, 8865050), (10, 7092040), (16, 4432525), (20, 3546020), (25, 2836816), (40, 1773010), (50, 1418408), (80, 886505), (100, 709204), (200, 354602), (400, 177301)]