203412400

素因数分解:

$2^4\times 5^2\times {\mathrm{508531}}^1$

素因数の和:508549

約数の個数: 30

約数和(自身を含む): 488699252

約数和(自身を除く): 285286852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 508531, 1017062, 2034124, 2542655, 4068248, 5085310, 8136496, 10170620, 12713275, 20341240, 25426550, 40682480, 50853100, 101706200, 203412400]

約数ペア:

[(1, 203412400), (2, 101706200), (4, 50853100), (5, 40682480), (8, 25426550), (10, 20341240), (16, 12713275), (20, 10170620), (25, 8136496), (40, 5085310), (50, 4068248), (80, 2542655), (100, 2034124), (200, 1017062), (400, 508531)]