251128640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{112111}}^1$

素因数の和:112135

約数の個数: 56

約数和(自身を含む): 683434752

約数和(自身を除く): 432306112

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, 112111, 224222, 448444, 560555, 784777, 896888, 1121110, 1569554, 1793776, 2242220, 3139108, 3587552, 3923885, 4484440, 6278216, 7175104, 7847770, 8968880, 12556432, 15695540, 17937760, 25112864, 31391080, 35875520, 50225728, 62782160, 125564320, 251128640]

約数ペア:

[(1, 251128640), (2, 125564320), (4, 62782160), (5, 50225728), (7, 35875520), (8, 31391080), (10, 25112864), (14, 17937760), (16, 15695540), (20, 12556432), (28, 8968880), (32, 7847770), (35, 7175104), (40, 6278216), (56, 4484440), (64, 3923885), (70, 3587552), (80, 3139108), (112, 2242220), (140, 1793776), (160, 1569554), (224, 1121110), (280, 896888), (320, 784777), (448, 560555), (560, 448444), (1120, 224222), (2240, 112111)]