675996820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{21433}}^1$

素因数の和:21544

約数の個数: 48

約数和(自身を含む): 1512383040

約数和(自身を除く): 836386220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770, 21433, 31540, 42866, 85732, 107165, 214330, 407227, 428660, 814454, 1628908, 1778939, 2036135, 3557878, 4072270, 7115756, 8144540, 8894695, 17789390, 33799841, 35578780, 67599682, 135199364, 168999205, 337998410, 675996820]

約数ペア:

[(1, 675996820), (2, 337998410), (4, 168999205), (5, 135199364), (10, 67599682), (19, 35578780), (20, 33799841), (38, 17789390), (76, 8894695), (83, 8144540), (95, 7115756), (166, 4072270), (190, 3557878), (332, 2036135), (380, 1778939), (415, 1628908), (830, 814454), (1577, 428660), (1660, 407227), (3154, 214330), (6308, 107165), (7885, 85732), (15770, 42866), (21433, 31540)]