196009720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{132439}}^1$

素因数の和:132487

約数の個数: 32

約数和(自身を含む): 452944800

約数和(自身を除く): 256935080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 132439, 264878, 529756, 662195, 1059512, 1324390, 2648780, 4900243, 5297560, 9800486, 19600972, 24501215, 39201944, 49002430, 98004860, 196009720]

約数ペア:

[(1, 196009720), (2, 98004860), (4, 49002430), (5, 39201944), (8, 24501215), (10, 19600972), (20, 9800486), (37, 5297560), (40, 4900243), (74, 2648780), (148, 1324390), (185, 1059512), (296, 662195), (370, 529756), (740, 264878), (1480, 132439)]