242708680

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{17189}}^1$

素因数の和:17553

約数の個数: 32

約数和(自身を含む): 547673400

約数和(自身を除く): 304964720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 17189, 34378, 68756, 85945, 137512, 171890, 343780, 687560, 6067717, 12135434, 24270868, 30338585, 48541736, 60677170, 121354340, 242708680]

約数ペア:

[(1, 242708680), (2, 121354340), (4, 60677170), (5, 48541736), (8, 30338585), (10, 24270868), (20, 12135434), (40, 6067717), (353, 687560), (706, 343780), (1412, 171890), (1765, 137512), (2824, 85945), (3530, 68756), (7060, 34378), (14120, 17189)]