200384780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20323}}^1$

素因数の和:20378

約数の個数: 48

約数和(自身を含む): 460948320

約数和(自身を除く): 260563540

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 20323, 40646, 81292, 101615, 203230, 345491, 406460, 589367, 690982, 1178734, 1381964, 1727455, 2357468, 2946835, 3454910, 5893670, 6909820, 10019239, 11787340, 20038478, 40076956, 50096195, 100192390, 200384780]

約数ペア:

[(1, 200384780), (2, 100192390), (4, 50096195), (5, 40076956), (10, 20038478), (17, 11787340), (20, 10019239), (29, 6909820), (34, 5893670), (58, 3454910), (68, 2946835), (85, 2357468), (116, 1727455), (145, 1381964), (170, 1178734), (290, 690982), (340, 589367), (493, 406460), (580, 345491), (986, 203230), (1972, 101615), (2465, 81292), (4930, 40646), (9860, 20323)]