217899290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{84131}}^1$

素因数の和:84182

約数の個数: 32

約数和(自身を含む): 460370304

約数和(自身を除く): 242471014

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 84131, 168262, 420655, 588917, 841310, 1177834, 2944585, 3112847, 5889170, 6225694, 15564235, 21789929, 31128470, 43579858, 108949645, 217899290]

約数ペア:

[(1, 217899290), (2, 108949645), (5, 43579858), (7, 31128470), (10, 21789929), (14, 15564235), (35, 6225694), (37, 5889170), (70, 3112847), (74, 2944585), (185, 1177834), (259, 841310), (370, 588917), (518, 420655), (1295, 168262), (2590, 84131)]