204700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 36

約数和(自身を含む): 468720

約数和(自身を除く): 264020

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 89, 92, 100, 115, 178, 230, 356, 445, 460, 575, 890, 1150, 1780, 2047, 2225, 2300, 4094, 4450, 8188, 8900, 10235, 20470, 40940, 51175, 102350, 204700]

約数ペア:

[(1, 204700), (2, 102350), (4, 51175), (5, 40940), (10, 20470), (20, 10235), (23, 8900), (25, 8188), (46, 4450), (50, 4094), (89, 2300), (92, 2225), (100, 2047), (115, 1780), (178, 1150), (230, 890), (356, 575), (445, 460)]