188777740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 407860992

約数和(自身を除く): 219083252

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 227, 430, 454, 860, 908, 967, 1135, 1934, 2270, 3868, 4540, 4835, 9670, 9761, 19340, 19522, 39044, 41581, 48805, 83162, 97610, 166324, 195220, 207905, 219509, 415810, 439018, 831620, 878036, 1097545, 2195090, 4390180, 9438887, 18877774, 37755548, 47194435, 94388870, 188777740]

約数ペア:

[(1, 188777740), (2, 94388870), (4, 47194435), (5, 37755548), (10, 18877774), (20, 9438887), (43, 4390180), (86, 2195090), (172, 1097545), (215, 878036), (227, 831620), (430, 439018), (454, 415810), (860, 219509), (908, 207905), (967, 195220), (1135, 166324), (1934, 97610), (2270, 83162), (3868, 48805), (4540, 41581), (4835, 39044), (9670, 19522), (9761, 19340)]