651130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 1296000

約数和(自身を除く): 644870

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 149, 190, 230, 298, 437, 745, 874, 1490, 2185, 2831, 3427, 4370, 5662, 6854, 14155, 17135, 28310, 34270, 65113, 130226, 325565, 651130]

約数ペア:

[(1, 651130), (2, 325565), (5, 130226), (10, 65113), (19, 34270), (23, 28310), (38, 17135), (46, 14155), (95, 6854), (115, 5662), (149, 4370), (190, 3427), (230, 2831), (298, 2185), (437, 1490), (745, 874)]