806804020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{215723}}^1$

素因数の和:215760

約数の個数: 48

約数和(自身を含む): 1957048128

約数和(自身を除く): 1150244108

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 215723, 431446, 862892, 1078615, 2157230, 2372953, 3667291, 4314460, 4745906, 7334582, 9491812, 11864765, 14669164, 18336455, 23729530, 36672910, 40340201, 47459060, 73345820, 80680402, 161360804, 201701005, 403402010, 806804020]

約数ペア:

[(1, 806804020), (2, 403402010), (4, 201701005), (5, 161360804), (10, 80680402), (11, 73345820), (17, 47459060), (20, 40340201), (22, 36672910), (34, 23729530), (44, 18336455), (55, 14669164), (68, 11864765), (85, 9491812), (110, 7334582), (170, 4745906), (187, 4314460), (220, 3667291), (340, 2372953), (374, 2157230), (748, 1078615), (935, 862892), (1870, 431446), (3740, 215723)]