30047740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 37085060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 107, 190, 214, 380, 428, 535, 739, 1070, 1478, 2033, 2140, 2956, 3695, 4066, 7390, 8132, 10165, 14041, 14780, 20330, 28082, 40660, 56164, 70205, 79073, 140410, 158146, 280820, 316292, 395365, 790730, 1502387, 1581460, 3004774, 6009548, 7511935, 15023870, 30047740]

約数ペア:

[(1, 30047740), (2, 15023870), (4, 7511935), (5, 6009548), (10, 3004774), (19, 1581460), (20, 1502387), (38, 790730), (76, 395365), (95, 316292), (107, 280820), (190, 158146), (214, 140410), (380, 79073), (428, 70205), (535, 56164), (739, 40660), (1070, 28082), (1478, 20330), (2033, 14780), (2140, 14041), (2956, 10165), (3695, 8132), (4066, 7390)]