215087180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12697}}^1$

素因数の和:12735

約数の個数: 72

約数和(自身を含む): 567448224

約数和(自身を除く): 352361044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 12697, 16940, 25394, 50788, 63485, 88879, 126970, 139667, 177758, 253940, 279334, 355516, 444395, 558668, 698335, 888790, 977669, 1396670, 1536337, 1777580, 1955338, 2793340, 3072674, 3910676, 4888345, 6145348, 7681685, 9776690, 10754359, 15363370, 19553380, 21508718, 30726740, 43017436, 53771795, 107543590, 215087180]

約数ペア:

[(1, 215087180), (2, 107543590), (4, 53771795), (5, 43017436), (7, 30726740), (10, 21508718), (11, 19553380), (14, 15363370), (20, 10754359), (22, 9776690), (28, 7681685), (35, 6145348), (44, 4888345), (55, 3910676), (70, 3072674), (77, 2793340), (110, 1955338), (121, 1777580), (140, 1536337), (154, 1396670), (220, 977669), (242, 888790), (308, 698335), (385, 558668), (484, 444395), (605, 355516), (770, 279334), (847, 253940), (1210, 177758), (1540, 139667), (1694, 126970), (2420, 88879), (3388, 63485), (4235, 50788), (8470, 25394), (12697, 16940)]