9870140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70501}}^1$

素因数の和:70517

約数の個数: 24

約数和(自身を含む): 23688672

約数和(自身を除く): 13818532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70501, 141002, 282004, 352505, 493507, 705010, 987014, 1410020, 1974028, 2467535, 4935070, 9870140]

約数ペア:

[(1, 9870140), (2, 4935070), (4, 2467535), (5, 1974028), (7, 1410020), (10, 987014), (14, 705010), (20, 493507), (28, 352505), (35, 282004), (70, 141002), (140, 70501)]