200518910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 398908800

約数和(自身を除く): 198389890

約数列:

[1, 2, 5, 10, 17, 34, 37, 71, 74, 85, 142, 170, 185, 355, 370, 449, 629, 710, 898, 1207, 1258, 2245, 2414, 2627, 3145, 4490, 5254, 6035, 6290, 7633, 12070, 13135, 15266, 16613, 26270, 31879, 33226, 38165, 44659, 63758, 76330, 83065, 89318, 159395, 166130, 223295, 282421, 318790, 446590, 541943, 564842, 1083886, 1179523, 1412105, 2359046, 2709715, 2824210, 5419430, 5897615, 11795230, 20051891, 40103782, 100259455, 200518910]

約数ペア:

[(1, 200518910), (2, 100259455), (5, 40103782), (10, 20051891), (17, 11795230), (34, 5897615), (37, 5419430), (71, 2824210), (74, 2709715), (85, 2359046), (142, 1412105), (170, 1179523), (185, 1083886), (355, 564842), (370, 541943), (449, 446590), (629, 318790), (710, 282421), (898, 223295), (1207, 166130), (1258, 159395), (2245, 89318), (2414, 83065), (2627, 76330), (3145, 63758), (4490, 44659), (5254, 38165), (6035, 33226), (6290, 31879), (7633, 26270), (12070, 16613), (13135, 15266)]