67684660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 145212480

約数和(自身を除く): 77527820

約数列:

[1, 2, 4, 5, 10, 20, 97, 139, 194, 251, 278, 388, 485, 502, 556, 695, 970, 1004, 1255, 1390, 1940, 2510, 2780, 5020, 13483, 24347, 26966, 34889, 48694, 53932, 67415, 69778, 97388, 121735, 134830, 139556, 174445, 243470, 269660, 348890, 486940, 697780, 3384233, 6768466, 13536932, 16921165, 33842330, 67684660]

約数ペア:

[(1, 67684660), (2, 33842330), (4, 16921165), (5, 13536932), (10, 6768466), (20, 3384233), (97, 697780), (139, 486940), (194, 348890), (251, 269660), (278, 243470), (388, 174445), (485, 139556), (502, 134830), (556, 121735), (695, 97388), (970, 69778), (1004, 67415), (1255, 53932), (1390, 48694), (1940, 34889), (2510, 26966), (2780, 24347), (5020, 13483)]