29238740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 63567504

約数和(自身を除く): 34328764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 197, 205, 362, 394, 410, 724, 788, 820, 905, 985, 1810, 1970, 3620, 3940, 7421, 8077, 14842, 16154, 29684, 32308, 35657, 37105, 40385, 71314, 74210, 80770, 142628, 148420, 161540, 178285, 356570, 713140, 1461937, 2923874, 5847748, 7309685, 14619370, 29238740]

約数ペア:

[(1, 29238740), (2, 14619370), (4, 7309685), (5, 5847748), (10, 2923874), (20, 1461937), (41, 713140), (82, 356570), (164, 178285), (181, 161540), (197, 148420), (205, 142628), (362, 80770), (394, 74210), (410, 71314), (724, 40385), (788, 37105), (820, 35657), (905, 32308), (985, 29684), (1810, 16154), (1970, 14842), (3620, 8077), (3940, 7421)]