27689900

素因数分解:

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

素因数の和:5679

約数の個数: 54

約数和(自身を含む): 69909588

約数和(自身を除く): 42219688

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5651, 11302, 22604, 28255, 39557, 56510, 79114, 113020, 141275, 158228, 197785, 276899, 282550, 395570, 553798, 565100, 791140, 988925, 1107596, 1384495, 1977850, 2768990, 3955700, 5537980, 6922475, 13844950, 27689900]

約数ペア:

[(1, 27689900), (2, 13844950), (4, 6922475), (5, 5537980), (7, 3955700), (10, 2768990), (14, 1977850), (20, 1384495), (25, 1107596), (28, 988925), (35, 791140), (49, 565100), (50, 553798), (70, 395570), (98, 282550), (100, 276899), (140, 197785), (175, 158228), (196, 141275), (245, 113020), (350, 79114), (490, 56510), (700, 39557), (980, 28255), (1225, 22604), (2450, 11302), (4900, 5651)]