1980700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{683}}^1$

素因数の和:726

約数の個数: 36

約数和(自身を含む): 4452840

約数和(自身を除く): 2472140

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 683, 725, 1366, 1450, 2732, 2900, 3415, 6830, 13660, 17075, 19807, 34150, 39614, 68300, 79228, 99035, 198070, 396140, 495175, 990350, 1980700]

約数ペア:

[(1, 1980700), (2, 990350), (4, 495175), (5, 396140), (10, 198070), (20, 99035), (25, 79228), (29, 68300), (50, 39614), (58, 34150), (100, 19807), (116, 17075), (145, 13660), (290, 6830), (580, 3415), (683, 2900), (725, 2732), (1366, 1450)]