290426570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{20849}}^1$

素因数の和:21062

約数の個数: 32

約数和(自身を含む): 600480000

約数和(自身を除く): 310053430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 20849, 41698, 104245, 145943, 208490, 291886, 729715, 1459430, 4148951, 8297902, 20744755, 29042657, 41489510, 58085314, 145213285, 290426570]

約数ペア:

[(1, 290426570), (2, 145213285), (5, 58085314), (7, 41489510), (10, 29042657), (14, 20744755), (35, 8297902), (70, 4148951), (199, 1459430), (398, 729715), (995, 291886), (1393, 208490), (1990, 145943), (2786, 104245), (6965, 41698), (13930, 20849)]