213974780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{599}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 459950400

約数和(自身を除く): 245975620

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 337, 530, 599, 674, 1060, 1198, 1348, 1685, 2396, 2995, 3370, 5990, 6740, 11980, 17861, 31747, 35722, 63494, 71444, 89305, 126988, 158735, 178610, 201863, 317470, 357220, 403726, 634940, 807452, 1009315, 2018630, 4037260, 10698739, 21397478, 42794956, 53493695, 106987390, 213974780]

約数ペア:

[(1, 213974780), (2, 106987390), (4, 53493695), (5, 42794956), (10, 21397478), (20, 10698739), (53, 4037260), (106, 2018630), (212, 1009315), (265, 807452), (337, 634940), (530, 403726), (599, 357220), (674, 317470), (1060, 201863), (1198, 178610), (1348, 158735), (1685, 126988), (2396, 89305), (2995, 71444), (3370, 63494), (5990, 35722), (6740, 31747), (11980, 17861)]