219876740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2549}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 488376000

約数和(自身を除く): 268499260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 2549, 4313, 4540, 5098, 8626, 10196, 12745, 17252, 21565, 25490, 43130, 48431, 50980, 86260, 96862, 193724, 242155, 484310, 578623, 968620, 1157246, 2314492, 2893115, 5786230, 10993837, 11572460, 21987674, 43975348, 54969185, 109938370, 219876740]

約数ペア:

[(1, 219876740), (2, 109938370), (4, 54969185), (5, 43975348), (10, 21987674), (19, 11572460), (20, 10993837), (38, 5786230), (76, 2893115), (95, 2314492), (190, 1157246), (227, 968620), (380, 578623), (454, 484310), (908, 242155), (1135, 193724), (2270, 96862), (2549, 86260), (4313, 50980), (4540, 48431), (5098, 43130), (8626, 25490), (10196, 21565), (12745, 17252)]