278008850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2220

約数の個数: 72

約数和(自身を含む): 613156068

約数和(自身を除く): 335147218

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 53, 70, 98, 106, 175, 245, 265, 350, 371, 490, 530, 742, 1225, 1325, 1855, 2141, 2450, 2597, 2650, 3710, 4282, 5194, 9275, 10705, 12985, 14987, 18550, 21410, 25970, 29974, 53525, 64925, 74935, 104909, 107050, 113473, 129850, 149870, 209818, 226946, 374675, 524545, 567365, 749350, 794311, 1049090, 1134730, 1588622, 2622725, 2836825, 3971555, 5245450, 5560177, 5673650, 7943110, 11120354, 19857775, 27800885, 39715550, 55601770, 139004425, 278008850]

約数ペア:

[(1, 278008850), (2, 139004425), (5, 55601770), (7, 39715550), (10, 27800885), (14, 19857775), (25, 11120354), (35, 7943110), (49, 5673650), (50, 5560177), (53, 5245450), (70, 3971555), (98, 2836825), (106, 2622725), (175, 1588622), (245, 1134730), (265, 1049090), (350, 794311), (371, 749350), (490, 567365), (530, 524545), (742, 374675), (1225, 226946), (1325, 209818), (1855, 149870), (2141, 129850), (2450, 113473), (2597, 107050), (2650, 104909), (3710, 74935), (4282, 64925), (5194, 53525), (9275, 29974), (10705, 25970), (12985, 21410), (14987, 18550)]