207000145

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 284981760

約数和(自身を除く): 77981615

約数列:

[1, 5, 11, 55, 61, 71, 79, 121, 305, 355, 395, 605, 671, 781, 869, 3355, 3905, 4331, 4345, 4819, 5609, 7381, 8591, 9559, 21655, 24095, 28045, 36905, 42955, 47641, 47795, 53009, 61699, 238205, 265045, 308495, 342149, 524051, 583099, 678689, 1710745, 2620255, 2915495, 3393445, 3763639, 18818195, 41400029, 207000145]

約数ペア:

[(1, 207000145), (5, 41400029), (11, 18818195), (55, 3763639), (61, 3393445), (71, 2915495), (79, 2620255), (121, 1710745), (305, 678689), (355, 583099), (395, 524051), (605, 342149), (671, 308495), (781, 265045), (869, 238205), (3355, 61699), (3905, 53009), (4331, 47795), (4345, 47641), (4819, 42955), (5609, 36905), (7381, 28045), (8591, 24095), (9559, 21655)]