71021200

素因数分解:

$2^4\times 5^2\times {\mathrm{177553}}^1$

素因数の和:177571

約数の個数: 30

約数和(自身を含む): 170629394

約数和(自身を除く): 99608194

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 177553, 355106, 710212, 887765, 1420424, 1775530, 2840848, 3551060, 4438825, 7102120, 8877650, 14204240, 17755300, 35510600, 71021200]

約数ペア:

[(1, 71021200), (2, 35510600), (4, 17755300), (5, 14204240), (8, 8877650), (10, 7102120), (16, 4438825), (20, 3551060), (25, 2840848), (40, 1775530), (50, 1420424), (80, 887765), (100, 710212), (200, 355106), (400, 177553)]