200568400

素因数分解:

$2^4\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1289}}^1$

素因数の和:1696

約数の個数: 60

約数和(自身を含む): 483479100

約数和(自身を除く): 282910700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 389, 400, 778, 1289, 1556, 1945, 2578, 3112, 3890, 5156, 6224, 6445, 7780, 9725, 10312, 12890, 15560, 19450, 20624, 25780, 31120, 32225, 38900, 51560, 64450, 77800, 103120, 128900, 155600, 257800, 501421, 515600, 1002842, 2005684, 2507105, 4011368, 5014210, 8022736, 10028420, 12535525, 20056840, 25071050, 40113680, 50142100, 100284200, 200568400]

約数ペア:

[(1, 200568400), (2, 100284200), (4, 50142100), (5, 40113680), (8, 25071050), (10, 20056840), (16, 12535525), (20, 10028420), (25, 8022736), (40, 5014210), (50, 4011368), (80, 2507105), (100, 2005684), (200, 1002842), (389, 515600), (400, 501421), (778, 257800), (1289, 155600), (1556, 128900), (1945, 103120), (2578, 77800), (3112, 64450), (3890, 51560), (5156, 38900), (6224, 32225), (6445, 31120), (7780, 25780), (9725, 20624), (10312, 19450), (12890, 15560)]