2018752175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2304

約数の個数: 48

約数和(自身を含む): 2831009280

約数和(自身を除く): 812257105

約数列:

[1, 5, 11, 25, 43, 55, 79, 215, 275, 395, 473, 869, 1075, 1975, 2161, 2365, 3397, 4345, 10805, 11825, 16985, 21725, 23771, 37367, 54025, 84925, 92923, 118855, 170719, 186835, 464615, 594275, 853595, 934175, 1022153, 1877909, 2323075, 4267975, 5110765, 7340917, 9389545, 25553825, 36704585, 46947725, 80750087, 183522925, 403750435, 2018752175]

約数ペア:

[(1, 2018752175), (5, 403750435), (11, 183522925), (25, 80750087), (43, 46947725), (55, 36704585), (79, 25553825), (215, 9389545), (275, 7340917), (395, 5110765), (473, 4267975), (869, 2323075), (1075, 1877909), (1975, 1022153), (2161, 934175), (2365, 853595), (3397, 594275), (4345, 464615), (10805, 186835), (11825, 170719), (16985, 118855), (21725, 92923), (23771, 84925), (37367, 54025)]