68549900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 155156736

約数和(自身を除く): 86606836

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 97, 100, 148, 185, 191, 194, 370, 382, 388, 485, 740, 764, 925, 955, 970, 1850, 1910, 1940, 2425, 3589, 3700, 3820, 4775, 4850, 7067, 7178, 9550, 9700, 14134, 14356, 17945, 18527, 19100, 28268, 35335, 35890, 37054, 70670, 71780, 74108, 89725, 92635, 141340, 176675, 179450, 185270, 353350, 358900, 370540, 463175, 685499, 706700, 926350, 1370998, 1852700, 2741996, 3427495, 6854990, 13709980, 17137475, 34274950, 68549900]

約数ペア:

[(1, 68549900), (2, 34274950), (4, 17137475), (5, 13709980), (10, 6854990), (20, 3427495), (25, 2741996), (37, 1852700), (50, 1370998), (74, 926350), (97, 706700), (100, 685499), (148, 463175), (185, 370540), (191, 358900), (194, 353350), (370, 185270), (382, 179450), (388, 176675), (485, 141340), (740, 92635), (764, 89725), (925, 74108), (955, 71780), (970, 70670), (1850, 37054), (1910, 35890), (1940, 35335), (2425, 28268), (3589, 19100), (3700, 18527), (3820, 17945), (4775, 14356), (4850, 14134), (7067, 9700), (7178, 9550)]