248355940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1773971}}^1$

素因数の和:1773987

約数の個数: 24

約数和(自身を含む): 596054592

約数和(自身を除く): 347698652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1773971, 3547942, 7095884, 8869855, 12417797, 17739710, 24835594, 35479420, 49671188, 62088985, 124177970, 248355940]

約数ペア:

[(1, 248355940), (2, 124177970), (4, 62088985), (5, 49671188), (7, 35479420), (10, 24835594), (14, 17739710), (20, 12417797), (28, 8869855), (35, 7095884), (70, 3547942), (140, 1773971)]