660792380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{18869}}^1$

素因数の和:18998

約数の個数: 48

約数和(自身を含む): 1483634880

約数和(自身を除く): 822842500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 103, 170, 206, 340, 412, 515, 1030, 1751, 2060, 3502, 7004, 8755, 17510, 18869, 35020, 37738, 75476, 94345, 188690, 320773, 377380, 641546, 1283092, 1603865, 1943507, 3207730, 3887014, 6415460, 7774028, 9717535, 19435070, 33039619, 38870140, 66079238, 132158476, 165198095, 330396190, 660792380]

約数ペア:

[(1, 660792380), (2, 330396190), (4, 165198095), (5, 132158476), (10, 66079238), (17, 38870140), (20, 33039619), (34, 19435070), (68, 9717535), (85, 7774028), (103, 6415460), (170, 3887014), (206, 3207730), (340, 1943507), (412, 1603865), (515, 1283092), (1030, 641546), (1751, 377380), (2060, 320773), (3502, 188690), (7004, 94345), (8755, 75476), (17510, 37738), (18869, 35020)]