138870400

素因数分解:

$2^7\times 5^2\times {\mathrm{43397}}^1$

素因数の和:43421

約数の個数: 48

約数和(自身を含む): 343061190

約数和(自身を除く): 204190790

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 43397, 86794, 173588, 216985, 347176, 433970, 694352, 867940, 1084925, 1388704, 1735880, 2169850, 2777408, 3471760, 4339700, 5554816, 6943520, 8679400, 13887040, 17358800, 27774080, 34717600, 69435200, 138870400]

約数ペア:

[(1, 138870400), (2, 69435200), (4, 34717600), (5, 27774080), (8, 17358800), (10, 13887040), (16, 8679400), (20, 6943520), (25, 5554816), (32, 4339700), (40, 3471760), (50, 2777408), (64, 2169850), (80, 1735880), (100, 1388704), (128, 1084925), (160, 867940), (200, 694352), (320, 433970), (400, 347176), (640, 216985), (800, 173588), (1600, 86794), (3200, 43397)]