78841580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3461}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 177974496

約数和(自身を除く): 99132916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 335, 340, 670, 1139, 1340, 2278, 3461, 4556, 5695, 6922, 11390, 13844, 17305, 22780, 34610, 58837, 69220, 117674, 231887, 235348, 294185, 463774, 588370, 927548, 1159435, 1176740, 2318870, 3942079, 4637740, 7884158, 15768316, 19710395, 39420790, 78841580]

約数ペア:

[(1, 78841580), (2, 39420790), (4, 19710395), (5, 15768316), (10, 7884158), (17, 4637740), (20, 3942079), (34, 2318870), (67, 1176740), (68, 1159435), (85, 927548), (134, 588370), (170, 463774), (268, 294185), (335, 235348), (340, 231887), (670, 117674), (1139, 69220), (1340, 58837), (2278, 34610), (3461, 22780), (4556, 17305), (5695, 13844), (6922, 11390)]