199977040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{86197}}^1$

素因数の和:86239

約数の個数: 40

約数和(自身を含む): 480984840

約数和(自身を除く): 281007800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 86197, 172394, 344788, 430985, 689576, 861970, 1379152, 1723940, 2499713, 3447880, 4999426, 6895760, 9998852, 12498565, 19997704, 24997130, 39995408, 49994260, 99988520, 199977040]

約数ペア:

[(1, 199977040), (2, 99988520), (4, 49994260), (5, 39995408), (8, 24997130), (10, 19997704), (16, 12498565), (20, 9998852), (29, 6895760), (40, 4999426), (58, 3447880), (80, 2499713), (116, 1723940), (145, 1379152), (232, 861970), (290, 689576), (464, 430985), (580, 344788), (1160, 172394), (2320, 86197)]