404816930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2499

約数の個数: 48

約数和(自身を含む): 850180536

約数和(自身を除く): 445363606

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 397, 490, 794, 1985, 2081, 2779, 3970, 4162, 5558, 10405, 13895, 14567, 19453, 20810, 27790, 29134, 38906, 72835, 97265, 101969, 145670, 194530, 203938, 509845, 826157, 1019690, 1652314, 4130785, 5783099, 8261570, 11566198, 28915495, 40481693, 57830990, 80963386, 202408465, 404816930]

約数ペア:

[(1, 404816930), (2, 202408465), (5, 80963386), (7, 57830990), (10, 40481693), (14, 28915495), (35, 11566198), (49, 8261570), (70, 5783099), (98, 4130785), (245, 1652314), (397, 1019690), (490, 826157), (794, 509845), (1985, 203938), (2081, 194530), (2779, 145670), (3970, 101969), (4162, 97265), (5558, 72835), (10405, 38906), (13895, 29134), (14567, 27790), (19453, 20810)]