412731020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{10111}}^1$

素因数の和:10290

約数の個数: 48

約数和(自身を含む): 939445248

約数和(自身を除く): 526714228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8164, 10111, 10205, 20222, 20410, 40444, 40820, 50555, 101110, 131443, 202220, 262886, 525772, 657215, 1314430, 1587427, 2628860, 3174854, 6349708, 7937135, 15874270, 20636551, 31748540, 41273102, 82546204, 103182755, 206365510, 412731020]

約数ペア:

[(1, 412731020), (2, 206365510), (4, 103182755), (5, 82546204), (10, 41273102), (13, 31748540), (20, 20636551), (26, 15874270), (52, 7937135), (65, 6349708), (130, 3174854), (157, 2628860), (260, 1587427), (314, 1314430), (628, 657215), (785, 525772), (1570, 262886), (2041, 202220), (3140, 131443), (4082, 101110), (8164, 50555), (10111, 40820), (10205, 40444), (20222, 20410)]