1997710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 4290048

約数和(自身を除く): 2292338

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 127, 130, 143, 242, 254, 286, 605, 635, 715, 1210, 1270, 1397, 1430, 1573, 1651, 2794, 3146, 3302, 6985, 7865, 8255, 13970, 15367, 15730, 16510, 18161, 30734, 36322, 76835, 90805, 153670, 181610, 199771, 399542, 998855, 1997710]

約数ペア:

[(1, 1997710), (2, 998855), (5, 399542), (10, 199771), (11, 181610), (13, 153670), (22, 90805), (26, 76835), (55, 36322), (65, 30734), (110, 18161), (121, 16510), (127, 15730), (130, 15367), (143, 13970), (242, 8255), (254, 7865), (286, 6985), (605, 3302), (635, 3146), (715, 2794), (1210, 1651), (1270, 1573), (1397, 1430)]