271878320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{485497}}^1$

素因数の和:485517

約数の個数: 40

約数和(自身を含む): 722421024

約数和(自身を除く): 450542704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 485497, 970994, 1941988, 2427485, 3398479, 3883976, 4854970, 6796958, 7767952, 9709940, 13593916, 16992395, 19419880, 27187832, 33984790, 38839760, 54375664, 67969580, 135939160, 271878320]

約数ペア:

[(1, 271878320), (2, 135939160), (4, 67969580), (5, 54375664), (7, 38839760), (8, 33984790), (10, 27187832), (14, 19419880), (16, 16992395), (20, 13593916), (28, 9709940), (35, 7767952), (40, 6796958), (56, 4854970), (70, 3883976), (80, 3398479), (112, 2427485), (140, 1941988), (280, 970994), (560, 485497)]