9988550

素因数分解:

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

素因数の和:174

約数の個数: 72

約数和(自身を含む): 22165248

約数和(自身を除く): 12176698

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 127, 130, 143, 242, 254, 275, 286, 325, 550, 605, 635, 650, 715, 1210, 1270, 1397, 1430, 1573, 1651, 2794, 3025, 3146, 3175, 3302, 3575, 6050, 6350, 6985, 7150, 7865, 8255, 13970, 15367, 15730, 16510, 18161, 30734, 34925, 36322, 39325, 41275, 69850, 76835, 78650, 82550, 90805, 153670, 181610, 199771, 384175, 399542, 454025, 768350, 908050, 998855, 1997710, 4994275, 9988550]

約数ペア:

[(1, 9988550), (2, 4994275), (5, 1997710), (10, 998855), (11, 908050), (13, 768350), (22, 454025), (25, 399542), (26, 384175), (50, 199771), (55, 181610), (65, 153670), (110, 90805), (121, 82550), (127, 78650), (130, 76835), (143, 69850), (242, 41275), (254, 39325), (275, 36322), (286, 34925), (325, 30734), (550, 18161), (605, 16510), (635, 15730), (650, 15367), (715, 13970), (1210, 8255), (1270, 7865), (1397, 7150), (1430, 6985), (1573, 6350), (1651, 6050), (2794, 3575), (3025, 3302), (3146, 3175)]