621200

素因数分解:

$2^4\times 5^2\times {\mathrm{1553}}^1$

素因数の和:1571

約数の個数: 30

約数和(自身を含む): 1493394

約数和(自身を除く): 872194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1553, 3106, 6212, 7765, 12424, 15530, 24848, 31060, 38825, 62120, 77650, 124240, 155300, 310600, 621200]

約数ペア:

[(1, 621200), (2, 310600), (4, 155300), (5, 124240), (8, 77650), (10, 62120), (16, 38825), (20, 31060), (25, 24848), (40, 15530), (50, 12424), (80, 7765), (100, 6212), (200, 3106), (400, 1553)]