156780582980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1123231}}^1$

素因数の和:1124244

約数の個数: 48

約数和(自身を含む): 376651140096

約数和(自身を除く): 219870557116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 997, 1994, 3988, 4985, 6979, 9970, 13958, 19940, 27916, 34895, 69790, 139580, 1123231, 2246462, 4492924, 5616155, 7862617, 11232310, 15725234, 22464620, 31450468, 39313085, 78626170, 157252340, 1119861307, 2239722614, 4479445228, 5599306535, 7839029149, 11198613070, 15678058298, 22397226140, 31356116596, 39195145745, 78390291490, 156780582980]

約数ペア:

[(1, 156780582980), (2, 78390291490), (4, 39195145745), (5, 31356116596), (7, 22397226140), (10, 15678058298), (14, 11198613070), (20, 7839029149), (28, 5599306535), (35, 4479445228), (70, 2239722614), (140, 1119861307), (997, 157252340), (1994, 78626170), (3988, 39313085), (4985, 31450468), (6979, 22464620), (9970, 15725234), (13958, 11232310), (19940, 7862617), (27916, 5616155), (34895, 4492924), (69790, 2246462), (139580, 1123231)]