4427990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 9805536

約数和(自身を除く): 5377546

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 305, 427, 595, 610, 854, 1037, 1190, 2074, 2135, 3721, 4270, 5185, 7259, 7442, 10370, 14518, 18605, 26047, 36295, 37210, 52094, 63257, 72590, 126514, 130235, 260470, 316285, 442799, 632570, 885598, 2213995, 4427990]

約数ペア:

[(1, 4427990), (2, 2213995), (5, 885598), (7, 632570), (10, 442799), (14, 316285), (17, 260470), (34, 130235), (35, 126514), (61, 72590), (70, 63257), (85, 52094), (119, 37210), (122, 36295), (170, 26047), (238, 18605), (305, 14518), (427, 10370), (595, 7442), (610, 7259), (854, 5185), (1037, 4270), (1190, 3721), (2074, 2135)]