308889790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 620006400

約数和(自身を除く): 311116610

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 137, 199, 206, 274, 398, 515, 685, 995, 1030, 1133, 1370, 1507, 1990, 2189, 2266, 3014, 4378, 5665, 7535, 10945, 11330, 14111, 15070, 20497, 21890, 27263, 28222, 40994, 54526, 70555, 102485, 136315, 141110, 155221, 204970, 225467, 272630, 299893, 310442, 450934, 599786, 776105, 1127335, 1499465, 1552210, 2254670, 2808089, 2998930, 5616178, 14040445, 28080890, 30888979, 61777958, 154444895, 308889790]

約数ペア:

[(1, 308889790), (2, 154444895), (5, 61777958), (10, 30888979), (11, 28080890), (22, 14040445), (55, 5616178), (103, 2998930), (110, 2808089), (137, 2254670), (199, 1552210), (206, 1499465), (274, 1127335), (398, 776105), (515, 599786), (685, 450934), (995, 310442), (1030, 299893), (1133, 272630), (1370, 225467), (1507, 204970), (1990, 155221), (2189, 141110), (2266, 136315), (3014, 102485), (4378, 70555), (5665, 54526), (7535, 40994), (10945, 28222), (11330, 27263), (14111, 21890), (15070, 20497)]