251545280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{112297}}^1$

素因数の和:112321

約数の個数: 56

約数和(自身を含む): 684568608

約数和(自身を除く): 433023328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 112297, 224594, 449188, 561485, 786079, 898376, 1122970, 1572158, 1796752, 2245940, 3144316, 3593504, 3930395, 4491880, 6288632, 7187008, 7860790, 8983760, 12577264, 15721580, 17967520, 25154528, 31443160, 35935040, 50309056, 62886320, 125772640, 251545280]

約数ペア:

[(1, 251545280), (2, 125772640), (4, 62886320), (5, 50309056), (7, 35935040), (8, 31443160), (10, 25154528), (14, 17967520), (16, 15721580), (20, 12577264), (28, 8983760), (32, 7860790), (35, 7187008), (40, 6288632), (56, 4491880), (64, 3930395), (70, 3593504), (80, 3144316), (112, 2245940), (140, 1796752), (160, 1572158), (224, 1122970), (280, 898376), (320, 786079), (448, 561485), (560, 449188), (1120, 224594), (2240, 112297)]