394628960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{224221}}^1$

素因数の和:224247

約数の個数: 48

約数和(自身を含む): 1017070992

約数和(自身を除く): 622442032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 224221, 448442, 896884, 1121105, 1793768, 2242210, 2466431, 3587536, 4484420, 4932862, 7175072, 8968840, 9865724, 12332155, 17937680, 19731448, 24664310, 35875360, 39462896, 49328620, 78925792, 98657240, 197314480, 394628960]

約数ペア:

[(1, 394628960), (2, 197314480), (4, 98657240), (5, 78925792), (8, 49328620), (10, 39462896), (11, 35875360), (16, 24664310), (20, 19731448), (22, 17937680), (32, 12332155), (40, 9865724), (44, 8968840), (55, 7175072), (80, 4932862), (88, 4484420), (110, 3587536), (160, 2466431), (176, 2242210), (220, 1793768), (352, 1121105), (440, 896884), (880, 448442), (1760, 224221)]