212865740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{560173}}^1$

素因数の和:560201

約数の個数: 24

約数和(自身を含む): 470546160

約数和(自身を除く): 257680420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 560173, 1120346, 2240692, 2800865, 5601730, 10643287, 11203460, 21286574, 42573148, 53216435, 106432870, 212865740]

約数ペア:

[(1, 212865740), (2, 106432870), (4, 53216435), (5, 42573148), (10, 21286574), (19, 11203460), (20, 10643287), (38, 5601730), (76, 2800865), (95, 2240692), (190, 1120346), (380, 560173)]