213473500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{9929}}^1$

素因数の和:9991

約数の個数: 48

約数和(自身を含む): 477116640

約数和(自身を除く): 263643140

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 430, 500, 860, 1075, 2150, 4300, 5375, 9929, 10750, 19858, 21500, 39716, 49645, 99290, 198580, 248225, 426947, 496450, 853894, 992900, 1241125, 1707788, 2134735, 2482250, 4269470, 4964500, 8538940, 10673675, 21347350, 42694700, 53368375, 106736750, 213473500]

約数ペア:

[(1, 213473500), (2, 106736750), (4, 53368375), (5, 42694700), (10, 21347350), (20, 10673675), (25, 8538940), (43, 4964500), (50, 4269470), (86, 2482250), (100, 2134735), (125, 1707788), (172, 1241125), (215, 992900), (250, 853894), (430, 496450), (500, 426947), (860, 248225), (1075, 198580), (2150, 99290), (4300, 49645), (5375, 39716), (9929, 21500), (10750, 19858)]