199035280

素因数分解:

$2^4\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2731}}^1$

素因数の和:3655

約数の個数: 40

約数和(自身を含む): 463434624

約数和(自身を除く): 264399344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911, 1822, 2731, 3644, 4555, 5462, 7288, 9110, 10924, 13655, 14576, 18220, 21848, 27310, 36440, 43696, 54620, 72880, 109240, 218480, 2487941, 4975882, 9951764, 12439705, 19903528, 24879410, 39807056, 49758820, 99517640, 199035280]

約数ペア:

[(1, 199035280), (2, 99517640), (4, 49758820), (5, 39807056), (8, 24879410), (10, 19903528), (16, 12439705), (20, 9951764), (40, 4975882), (80, 2487941), (911, 218480), (1822, 109240), (2731, 72880), (3644, 54620), (4555, 43696), (5462, 36440), (7288, 27310), (9110, 21848), (10924, 18220), (13655, 14576)]