268672400

素因数分解:

$2^4\times 5^2\times {\mathrm{671681}}^1$

素因数の和:671699

約数の個数: 30

約数和(自身を含む): 645486402

約数和(自身を除く): 376814002

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 671681, 1343362, 2686724, 3358405, 5373448, 6716810, 10746896, 13433620, 16792025, 26867240, 33584050, 53734480, 67168100, 134336200, 268672400]

約数ペア:

[(1, 268672400), (2, 134336200), (4, 67168100), (5, 53734480), (8, 33584050), (10, 26867240), (16, 16792025), (20, 13433620), (25, 10746896), (40, 6716810), (50, 5373448), (80, 3358405), (100, 2686724), (200, 1343362), (400, 671681)]