314639960

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 719262720

約数和(自身を除く): 404622760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 241, 254, 257, 482, 508, 514, 635, 964, 1016, 1028, 1205, 1270, 1285, 1928, 2056, 2410, 2540, 2570, 4820, 5080, 5140, 9640, 10280, 30607, 32639, 61214, 61937, 65278, 122428, 123874, 130556, 153035, 163195, 244856, 247748, 261112, 306070, 309685, 326390, 495496, 612140, 619370, 652780, 1224280, 1238740, 1305560, 2477480, 7865999, 15731998, 31463996, 39329995, 62927992, 78659990, 157319980, 314639960]

約数ペア:

[(1, 314639960), (2, 157319980), (4, 78659990), (5, 62927992), (8, 39329995), (10, 31463996), (20, 15731998), (40, 7865999), (127, 2477480), (241, 1305560), (254, 1238740), (257, 1224280), (482, 652780), (508, 619370), (514, 612140), (635, 495496), (964, 326390), (1016, 309685), (1028, 306070), (1205, 261112), (1270, 247748), (1285, 244856), (1928, 163195), (2056, 153035), (2410, 130556), (2540, 123874), (2570, 122428), (4820, 65278), (5080, 61937), (5140, 61214), (9640, 32639), (10280, 30607)]