15698889340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{197371}}^1$

素因数の和:197518

約数の個数: 48

約数和(自身を含む): 34120092384

約数和(自身を除く): 18421203044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15908, 19885, 39770, 79540, 197371, 394742, 789484, 986855, 1973710, 3947420, 8092211, 16184422, 19144987, 32368844, 38289974, 40461055, 76579948, 80922110, 95724935, 161844220, 191449870, 382899740, 784944467, 1569888934, 3139777868, 3924722335, 7849444670, 15698889340]

約数ペア:

[(1, 15698889340), (2, 7849444670), (4, 3924722335), (5, 3139777868), (10, 1569888934), (20, 784944467), (41, 382899740), (82, 191449870), (97, 161844220), (164, 95724935), (194, 80922110), (205, 76579948), (388, 40461055), (410, 38289974), (485, 32368844), (820, 19144987), (970, 16184422), (1940, 8092211), (3977, 3947420), (7954, 1973710), (15908, 986855), (19885, 789484), (39770, 394742), (79540, 197371)]