1801808540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{47491}}^1$

素因数の和:47778

約数の個数: 48

約数和(自身を含む): 4340388864

約数和(自身を除く): 2538580324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2710, 3794, 5420, 7588, 9485, 18970, 37940, 47491, 94982, 189964, 237455, 332437, 474910, 664874, 949820, 1329748, 1662185, 3324370, 6648740, 12870061, 25740122, 51480244, 64350305, 90090427, 128700610, 180180854, 257401220, 360361708, 450452135, 900904270, 1801808540]

約数ペア:

[(1, 1801808540), (2, 900904270), (4, 450452135), (5, 360361708), (7, 257401220), (10, 180180854), (14, 128700610), (20, 90090427), (28, 64350305), (35, 51480244), (70, 25740122), (140, 12870061), (271, 6648740), (542, 3324370), (1084, 1662185), (1355, 1329748), (1897, 949820), (2710, 664874), (3794, 474910), (5420, 332437), (7588, 237455), (9485, 189964), (18970, 94982), (37940, 47491)]