68883710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 145059984

約数和(自身を除く): 76176274

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 257, 490, 514, 547, 1094, 1285, 1799, 2570, 2735, 3598, 3829, 5470, 7658, 8995, 12593, 17990, 19145, 25186, 26803, 38290, 53606, 62965, 125930, 134015, 140579, 268030, 281158, 702895, 984053, 1405790, 1968106, 4920265, 6888371, 9840530, 13776742, 34441855, 68883710]

約数ペア:

[(1, 68883710), (2, 34441855), (5, 13776742), (7, 9840530), (10, 6888371), (14, 4920265), (35, 1968106), (49, 1405790), (70, 984053), (98, 702895), (245, 281158), (257, 268030), (490, 140579), (514, 134015), (547, 125930), (1094, 62965), (1285, 53606), (1799, 38290), (2570, 26803), (2735, 25186), (3598, 19145), (3829, 17990), (5470, 12593), (7658, 8995)]