229951880

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{10321}}^1$

素因数の和:10889

約数の個数: 32

約数和(自身を含む): 518370840

約数和(自身を除く): 288418960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 10321, 11140, 20642, 22280, 41284, 51605, 82568, 103210, 206420, 412840, 5748797, 11497594, 22995188, 28743985, 45990376, 57487970, 114975940, 229951880]

約数ペア:

[(1, 229951880), (2, 114975940), (4, 57487970), (5, 45990376), (8, 28743985), (10, 22995188), (20, 11497594), (40, 5748797), (557, 412840), (1114, 206420), (2228, 103210), (2785, 82568), (4456, 51605), (5570, 41284), (10321, 22280), (11140, 20642)]