1964180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 4490640

約数和(自身を除く): 2526460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 109, 170, 212, 218, 265, 340, 436, 530, 545, 901, 1060, 1090, 1802, 1853, 2180, 3604, 3706, 4505, 5777, 7412, 9010, 9265, 11554, 18020, 18530, 23108, 28885, 37060, 57770, 98209, 115540, 196418, 392836, 491045, 982090, 1964180]

約数ペア:

[(1, 1964180), (2, 982090), (4, 491045), (5, 392836), (10, 196418), (17, 115540), (20, 98209), (34, 57770), (53, 37060), (68, 28885), (85, 23108), (106, 18530), (109, 18020), (170, 11554), (212, 9265), (218, 9010), (265, 7412), (340, 5777), (436, 4505), (530, 3706), (545, 3604), (901, 2180), (1060, 1853), (1090, 1802)]