561497480

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{1033}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 1286461440

約数和(自身を除く): 724963960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 127, 214, 254, 428, 508, 535, 635, 856, 1016, 1033, 1070, 1270, 2066, 2140, 2540, 4132, 4280, 5080, 5165, 8264, 10330, 13589, 20660, 27178, 41320, 54356, 67945, 108712, 110531, 131191, 135890, 221062, 262382, 271780, 442124, 524764, 543560, 552655, 655955, 884248, 1049528, 1105310, 1311910, 2210620, 2623820, 4421240, 5247640, 14037437, 28074874, 56149748, 70187185, 112299496, 140374370, 280748740, 561497480]

約数ペア:

[(1, 561497480), (2, 280748740), (4, 140374370), (5, 112299496), (8, 70187185), (10, 56149748), (20, 28074874), (40, 14037437), (107, 5247640), (127, 4421240), (214, 2623820), (254, 2210620), (428, 1311910), (508, 1105310), (535, 1049528), (635, 884248), (856, 655955), (1016, 552655), (1033, 543560), (1070, 524764), (1270, 442124), (2066, 271780), (2140, 262382), (2540, 221062), (4132, 135890), (4280, 131191), (5080, 110531), (5165, 108712), (8264, 67945), (10330, 54356), (13589, 41320), (20660, 27178)]