122712520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{438259}}^1$

素因数の和:438277

約数の個数: 32

約数和(自身を含む): 315547200

約数和(自身を除く): 192834680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 438259, 876518, 1753036, 2191295, 3067813, 3506072, 4382590, 6135626, 8765180, 12271252, 15339065, 17530360, 24542504, 30678130, 61356260, 122712520]

約数ペア:

[(1, 122712520), (2, 61356260), (4, 30678130), (5, 24542504), (7, 17530360), (8, 15339065), (10, 12271252), (14, 8765180), (20, 6135626), (28, 4382590), (35, 3506072), (40, 3067813), (56, 2191295), (70, 1753036), (140, 876518), (280, 438259)]