190030780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2203}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 422110080

約数和(自身を除く): 232079300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2203, 2270, 4313, 4406, 4540, 8626, 8812, 11015, 17252, 21565, 22030, 41857, 43130, 44060, 83714, 86260, 167428, 209285, 418570, 500081, 837140, 1000162, 2000324, 2500405, 5000810, 9501539, 10001620, 19003078, 38006156, 47507695, 95015390, 190030780]

約数ペア:

[(1, 190030780), (2, 95015390), (4, 47507695), (5, 38006156), (10, 19003078), (19, 10001620), (20, 9501539), (38, 5000810), (76, 2500405), (95, 2000324), (190, 1000162), (227, 837140), (380, 500081), (454, 418570), (908, 209285), (1135, 167428), (2203, 86260), (2270, 83714), (4313, 44060), (4406, 43130), (4540, 41857), (8626, 22030), (8812, 21565), (11015, 17252)]