84428780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5238

約数の個数: 48

約数和(自身を含む): 191009280

約数和(自身を除く): 106580500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 5167, 8170, 10334, 16340, 20668, 25835, 51670, 98173, 103340, 196346, 222181, 392692, 444362, 490865, 888724, 981730, 1110905, 1963460, 2221810, 4221439, 4443620, 8442878, 16885756, 21107195, 42214390, 84428780]

約数ペア:

[(1, 84428780), (2, 42214390), (4, 21107195), (5, 16885756), (10, 8442878), (19, 4443620), (20, 4221439), (38, 2221810), (43, 1963460), (76, 1110905), (86, 981730), (95, 888724), (172, 490865), (190, 444362), (215, 392692), (380, 222181), (430, 196346), (817, 103340), (860, 98173), (1634, 51670), (3268, 25835), (4085, 20668), (5167, 16340), (8170, 10334)]