267220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 580608

約数和(自身を除く): 313388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 431, 620, 862, 1724, 2155, 4310, 8620, 13361, 26722, 53444, 66805, 133610, 267220]

約数ペア:

[(1, 267220), (2, 133610), (4, 66805), (5, 53444), (10, 26722), (20, 13361), (31, 8620), (62, 4310), (124, 2155), (155, 1724), (310, 862), (431, 620)]