258207800

素因数分解:

$2^3\times 5^2\times {\mathrm{677}}^1\times {\mathrm{1907}}^1$

素因数の和:2600

約数の個数: 48

約数和(自身を含む): 601535160

約数和(自身を除く): 343327360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 677, 1354, 1907, 2708, 3385, 3814, 5416, 6770, 7628, 9535, 13540, 15256, 16925, 19070, 27080, 33850, 38140, 47675, 67700, 76280, 95350, 135400, 190700, 381400, 1291039, 2582078, 5164156, 6455195, 10328312, 12910390, 25820780, 32275975, 51641560, 64551950, 129103900, 258207800]

約数ペア:

[(1, 258207800), (2, 129103900), (4, 64551950), (5, 51641560), (8, 32275975), (10, 25820780), (20, 12910390), (25, 10328312), (40, 6455195), (50, 5164156), (100, 2582078), (200, 1291039), (677, 381400), (1354, 190700), (1907, 135400), (2708, 95350), (3385, 76280), (3814, 67700), (5416, 47675), (6770, 38140), (7628, 33850), (9535, 27080), (13540, 19070), (15256, 16925)]