69900.000000

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 975240

約数和(自身を除く): 517780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 257, 356, 445, 514, 890, 1028, 1285, 1780, 2570, 5140, 22873, 45746, 91492, 114365, 228730, 457460]

約数ペア:

[(1, 457460), (2, 228730), (4, 114365), (5, 91492), (10, 45746), (20, 22873), (89, 5140), (178, 2570), (257, 1780), (356, 1285), (445, 1028), (514, 890)]