387723740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1\times {\mathrm{739}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 838538400

約数和(自身を除く): 450814660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 709, 739, 740, 1418, 1478, 2836, 2956, 3545, 3695, 7090, 7390, 14180, 14780, 26233, 27343, 52466, 54686, 104932, 109372, 131165, 136715, 262330, 273430, 523951, 524660, 546860, 1047902, 2095804, 2619755, 5239510, 10479020, 19386187, 38772374, 77544748, 96930935, 193861870, 387723740]

約数ペア:

[(1, 387723740), (2, 193861870), (4, 96930935), (5, 77544748), (10, 38772374), (20, 19386187), (37, 10479020), (74, 5239510), (148, 2619755), (185, 2095804), (370, 1047902), (709, 546860), (739, 524660), (740, 523951), (1418, 273430), (1478, 262330), (2836, 136715), (2956, 131165), (3545, 109372), (3695, 104932), (7090, 54686), (7390, 52466), (14180, 27343), (14780, 26233)]