121344280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70549}}^1$

素因数の和:70603

約数の個数: 32

約数和(自身を含む): 279378000

約数和(自身を除く): 158033720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 70549, 141098, 282196, 352745, 564392, 705490, 1410980, 2821960, 3033607, 6067214, 12134428, 15168035, 24268856, 30336070, 60672140, 121344280]

約数ペア:

[(1, 121344280), (2, 60672140), (4, 30336070), (5, 24268856), (8, 15168035), (10, 12134428), (20, 6067214), (40, 3033607), (43, 2821960), (86, 1410980), (172, 705490), (215, 564392), (344, 352745), (430, 282196), (860, 141098), (1720, 70549)]