207345280

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2697

約数の個数: 64

約数和(自身を含む): 499783680

約数和(自身を除く): 292438400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 2551, 4064, 5080, 5102, 8128, 10160, 10204, 12755, 16256, 20320, 20408, 25510, 40640, 40816, 51020, 81280, 81632, 102040, 163264, 204080, 323977, 326528, 408160, 647954, 816320, 1295908, 1619885, 1632640, 2591816, 3239770, 5183632, 6479540, 10367264, 12959080, 20734528, 25918160, 41469056, 51836320, 103672640, 207345280]

約数ペア:

[(1, 207345280), (2, 103672640), (4, 51836320), (5, 41469056), (8, 25918160), (10, 20734528), (16, 12959080), (20, 10367264), (32, 6479540), (40, 5183632), (64, 3239770), (80, 2591816), (127, 1632640), (128, 1619885), (160, 1295908), (254, 816320), (320, 647954), (508, 408160), (635, 326528), (640, 323977), (1016, 204080), (1270, 163264), (2032, 102040), (2540, 81632), (2551, 81280), (4064, 51020), (5080, 40816), (5102, 40640), (8128, 25510), (10160, 20408), (10204, 20320), (12755, 16256)]