138449500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{5651}}^1$

素因数の和:5684

約数の個数: 72

約数和(自身を含む): 351803088

約数和(自身を除く): 213353588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 5651, 6125, 11302, 12250, 22604, 24500, 28255, 39557, 56510, 79114, 113020, 141275, 158228, 197785, 276899, 282550, 395570, 553798, 565100, 706375, 791140, 988925, 1107596, 1384495, 1412750, 1977850, 2768990, 2825500, 3955700, 4944625, 5537980, 6922475, 9889250, 13844950, 19778500, 27689900, 34612375, 69224750, 138449500]

約数ペア:

[(1, 138449500), (2, 69224750), (4, 34612375), (5, 27689900), (7, 19778500), (10, 13844950), (14, 9889250), (20, 6922475), (25, 5537980), (28, 4944625), (35, 3955700), (49, 2825500), (50, 2768990), (70, 1977850), (98, 1412750), (100, 1384495), (125, 1107596), (140, 988925), (175, 791140), (196, 706375), (245, 565100), (250, 553798), (350, 395570), (490, 282550), (500, 276899), (700, 197785), (875, 158228), (980, 141275), (1225, 113020), (1750, 79114), (2450, 56510), (3500, 39557), (4900, 28255), (5651, 24500), (6125, 22604), (11302, 12250)]