684071920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1221557}}^1$

素因数の和:1221577

約数の個数: 40

約数和(自身を含む): 1817678304

約数和(自身を除く): 1133606384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1221557, 2443114, 4886228, 6107785, 8550899, 9772456, 12215570, 17101798, 19544912, 24431140, 34203596, 42754495, 48862280, 68407192, 85508990, 97724560, 136814384, 171017980, 342035960, 684071920]

約数ペア:

[(1, 684071920), (2, 342035960), (4, 171017980), (5, 136814384), (7, 97724560), (8, 85508990), (10, 68407192), (14, 48862280), (16, 42754495), (20, 34203596), (28, 24431140), (35, 19544912), (40, 17101798), (56, 12215570), (70, 9772456), (80, 8550899), (112, 6107785), (140, 4886228), (280, 2443114), (560, 1221557)]