61349000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2031

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 86913400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 1000, 1240, 1550, 1979, 3100, 3875, 3958, 6200, 7750, 7916, 9895, 15500, 15832, 19790, 31000, 39580, 49475, 61349, 79160, 98950, 122698, 197900, 245396, 247375, 306745, 395800, 490792, 494750, 613490, 989500, 1226980, 1533725, 1979000, 2453960, 3067450, 6134900, 7668625, 12269800, 15337250, 30674500, 61349000]

約数ペア:

[(1, 61349000), (2, 30674500), (4, 15337250), (5, 12269800), (8, 7668625), (10, 6134900), (20, 3067450), (25, 2453960), (31, 1979000), (40, 1533725), (50, 1226980), (62, 989500), (100, 613490), (124, 494750), (125, 490792), (155, 395800), (200, 306745), (248, 247375), (250, 245396), (310, 197900), (500, 122698), (620, 98950), (775, 79160), (1000, 61349), (1240, 49475), (1550, 39580), (1979, 31000), (3100, 19790), (3875, 15832), (3958, 15500), (6200, 9895), (7750, 7916)]