326975620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{2221}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 729047088

約数和(自身を除く): 402071468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 433, 866, 1732, 2165, 2221, 4330, 4442, 7361, 8660, 8884, 11105, 14722, 22210, 29444, 36805, 37757, 44420, 73610, 75514, 147220, 151028, 188785, 377570, 755140, 961693, 1923386, 3846772, 4808465, 9616930, 16348781, 19233860, 32697562, 65395124, 81743905, 163487810, 326975620]

約数ペア:

[(1, 326975620), (2, 163487810), (4, 81743905), (5, 65395124), (10, 32697562), (17, 19233860), (20, 16348781), (34, 9616930), (68, 4808465), (85, 3846772), (170, 1923386), (340, 961693), (433, 755140), (866, 377570), (1732, 188785), (2165, 151028), (2221, 147220), (4330, 75514), (4442, 73610), (7361, 44420), (8660, 37757), (8884, 36805), (11105, 29444), (14722, 22210)]