217749070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7643}}^1$

素因数の和:7705

約数の個数: 64

約数和(自身を含む): 501935616

約数和(自身を除く): 284186546

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 1295, 2035, 2590, 2849, 4070, 5698, 7643, 14245, 15286, 28490, 38215, 53501, 76430, 84073, 107002, 168146, 267505, 282791, 420365, 535010, 565582, 588511, 840730, 1177022, 1413955, 1979537, 2827910, 2942555, 3110701, 3959074, 5885110, 6221402, 9897685, 15553505, 19795370, 21774907, 31107010, 43549814, 108874535, 217749070]

約数ペア:

[(1, 217749070), (2, 108874535), (5, 43549814), (7, 31107010), (10, 21774907), (11, 19795370), (14, 15553505), (22, 9897685), (35, 6221402), (37, 5885110), (55, 3959074), (70, 3110701), (74, 2942555), (77, 2827910), (110, 1979537), (154, 1413955), (185, 1177022), (259, 840730), (370, 588511), (385, 565582), (407, 535010), (518, 420365), (770, 282791), (814, 267505), (1295, 168146), (2035, 107002), (2590, 84073), (2849, 76430), (4070, 53501), (5698, 38215), (7643, 28490), (14245, 15286)]