870899890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{19717}}^1$

素因数の和:20362

約数の個数: 32

約数和(自身を含む): 1794495744

約数和(自身を除く): 923595854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 631, 1262, 3155, 4417, 6310, 8834, 19717, 22085, 39434, 44170, 98585, 138019, 197170, 276038, 690095, 1380190, 12441427, 24882854, 62207135, 87089989, 124414270, 174179978, 435449945, 870899890]

約数ペア:

[(1, 870899890), (2, 435449945), (5, 174179978), (7, 124414270), (10, 87089989), (14, 62207135), (35, 24882854), (70, 12441427), (631, 1380190), (1262, 690095), (3155, 276038), (4417, 197170), (6310, 138019), (8834, 98585), (19717, 44170), (22085, 39434)]