313108240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 743046192

約数和(自身を除く): 429937952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 157, 194, 257, 314, 388, 485, 514, 628, 776, 785, 970, 1028, 1256, 1285, 1552, 1570, 1940, 2056, 2512, 2570, 3140, 3880, 4112, 5140, 6280, 7760, 10280, 12560, 15229, 20560, 24929, 30458, 40349, 49858, 60916, 76145, 80698, 99716, 121832, 124645, 152290, 161396, 199432, 201745, 243664, 249290, 304580, 322792, 398864, 403490, 498580, 609160, 645584, 806980, 997160, 1218320, 1613960, 1994320, 3227920, 3913853, 7827706, 15655412, 19569265, 31310824, 39138530, 62621648, 78277060, 156554120, 313108240]

約数ペア:

[(1, 313108240), (2, 156554120), (4, 78277060), (5, 62621648), (8, 39138530), (10, 31310824), (16, 19569265), (20, 15655412), (40, 7827706), (80, 3913853), (97, 3227920), (157, 1994320), (194, 1613960), (257, 1218320), (314, 997160), (388, 806980), (485, 645584), (514, 609160), (628, 498580), (776, 403490), (785, 398864), (970, 322792), (1028, 304580), (1256, 249290), (1285, 243664), (1552, 201745), (1570, 199432), (1940, 161396), (2056, 152290), (2512, 124645), (2570, 121832), (3140, 99716), (3880, 80698), (4112, 76145), (5140, 60916), (6280, 49858), (7760, 40349), (10280, 30458), (12560, 24929), (15229, 20560)]