199293280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{65557}}^1$

素因数の和:65591

約数の個数: 48

約数和(自身を含む): 495618480

約数和(自身を除く): 296325200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 65557, 131114, 262228, 327785, 524456, 655570, 1048912, 1245583, 1311140, 2097824, 2491166, 2622280, 4982332, 5244560, 6227915, 9964664, 10489120, 12455830, 19929328, 24911660, 39858656, 49823320, 99646640, 199293280]

約数ペア:

[(1, 199293280), (2, 99646640), (4, 49823320), (5, 39858656), (8, 24911660), (10, 19929328), (16, 12455830), (19, 10489120), (20, 9964664), (32, 6227915), (38, 5244560), (40, 4982332), (76, 2622280), (80, 2491166), (95, 2097824), (152, 1311140), (160, 1245583), (190, 1048912), (304, 655570), (380, 524456), (608, 327785), (760, 262228), (1520, 131114), (3040, 65557)]