78277060

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 167784624

約数和(自身を除く): 89507564

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 257, 314, 388, 485, 514, 628, 785, 970, 1028, 1285, 1570, 1940, 2570, 3140, 5140, 15229, 24929, 30458, 40349, 49858, 60916, 76145, 80698, 99716, 124645, 152290, 161396, 201745, 249290, 304580, 403490, 498580, 806980, 3913853, 7827706, 15655412, 19569265, 39138530, 78277060]

約数ペア:

[(1, 78277060), (2, 39138530), (4, 19569265), (5, 15655412), (10, 7827706), (20, 3913853), (97, 806980), (157, 498580), (194, 403490), (257, 304580), (314, 249290), (388, 201745), (485, 161396), (514, 152290), (628, 124645), (785, 99716), (970, 80698), (1028, 76145), (1285, 60916), (1570, 49858), (1940, 40349), (2570, 30458), (3140, 24929), (5140, 15229)]