209115830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3527}}^1$

素因数の和:3570

約数の個数: 72

約数和(自身を含む): 481423824

約数和(自身を除く): 272307994

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 385, 490, 539, 605, 770, 847, 1078, 1210, 1694, 2695, 3527, 4235, 5390, 5929, 7054, 8470, 11858, 17635, 24689, 29645, 35270, 38797, 49378, 59290, 77594, 123445, 172823, 193985, 246890, 271579, 345646, 387970, 426767, 543158, 853534, 864115, 1357895, 1728230, 1901053, 2133835, 2715790, 2987369, 3802106, 4267670, 5974738, 9505265, 14936845, 19010530, 20911583, 29873690, 41823166, 104557915, 209115830]

約数ペア:

[(1, 209115830), (2, 104557915), (5, 41823166), (7, 29873690), (10, 20911583), (11, 19010530), (14, 14936845), (22, 9505265), (35, 5974738), (49, 4267670), (55, 3802106), (70, 2987369), (77, 2715790), (98, 2133835), (110, 1901053), (121, 1728230), (154, 1357895), (242, 864115), (245, 853534), (385, 543158), (490, 426767), (539, 387970), (605, 345646), (770, 271579), (847, 246890), (1078, 193985), (1210, 172823), (1694, 123445), (2695, 77594), (3527, 59290), (4235, 49378), (5390, 38797), (5929, 35270), (7054, 29645), (8470, 24689), (11858, 17635)]