204528520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{730459}}^1$

素因数の和:730477

約数の個数: 32

約数和(自身を含む): 525931200

約数和(自身を除く): 321402680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 730459, 1460918, 2921836, 3652295, 5113213, 5843672, 7304590, 10226426, 14609180, 20452852, 25566065, 29218360, 40905704, 51132130, 102264260, 204528520]

約数ペア:

[(1, 204528520), (2, 102264260), (4, 51132130), (5, 40905704), (7, 29218360), (8, 25566065), (10, 20452852), (14, 14609180), (20, 10226426), (28, 7304590), (35, 5843672), (40, 5113213), (56, 3652295), (70, 2921836), (140, 1460918), (280, 730459)]