205800280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{735001}}^1$

素因数の和:735019

約数の個数: 32

約数和(自身を含む): 529201440

約数和(自身を除く): 323401160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 735001, 1470002, 2940004, 3675005, 5145007, 5880008, 7350010, 10290014, 14700020, 20580028, 25725035, 29400040, 41160056, 51450070, 102900140, 205800280]

約数ペア:

[(1, 205800280), (2, 102900140), (4, 51450070), (5, 41160056), (7, 29400040), (8, 25725035), (10, 20580028), (14, 14700020), (20, 10290014), (28, 7350010), (35, 5880008), (40, 5145007), (56, 3675005), (70, 2940004), (140, 1470002), (280, 735001)]