858871930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{24989}}^1$

素因数の和:25494

約数の個数: 32

約数和(自身を含む): 1770491520

約数和(自身を除く): 911619590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 982, 2455, 3437, 4910, 6874, 17185, 24989, 34370, 49978, 124945, 174923, 249890, 349846, 874615, 1749230, 12269599, 24539198, 61347995, 85887193, 122695990, 171774386, 429435965, 858871930]

約数ペア:

[(1, 858871930), (2, 429435965), (5, 171774386), (7, 122695990), (10, 85887193), (14, 61347995), (35, 24539198), (70, 12269599), (491, 1749230), (982, 874615), (2455, 349846), (3437, 249890), (4910, 174923), (6874, 124945), (17185, 49978), (24989, 34370)]