154059640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{550213}}^1$

素因数の和:550231

約数の個数: 32

約数和(自身を含む): 396154080

約数和(自身を除く): 242094440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 550213, 1100426, 2200852, 2751065, 3851491, 4401704, 5502130, 7702982, 11004260, 15405964, 19257455, 22008520, 30811928, 38514910, 77029820, 154059640]

約数ペア:

[(1, 154059640), (2, 77029820), (4, 38514910), (5, 30811928), (7, 22008520), (8, 19257455), (10, 15405964), (14, 11004260), (20, 7702982), (28, 5502130), (35, 4401704), (40, 3851491), (56, 2751065), (70, 2200852), (140, 1100426), (280, 550213)]