139691440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{249449}}^1$

素因数の和:249469

約数の個数: 40

約数和(自身を含む): 371181600

約数和(自身を除く): 231490160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 249449, 498898, 997796, 1247245, 1746143, 1995592, 2494490, 3492286, 3991184, 4988980, 6984572, 8730715, 9977960, 13969144, 17461430, 19955920, 27938288, 34922860, 69845720, 139691440]

約数ペア:

[(1, 139691440), (2, 69845720), (4, 34922860), (5, 27938288), (7, 19955920), (8, 17461430), (10, 13969144), (14, 9977960), (16, 8730715), (20, 6984572), (28, 4988980), (35, 3991184), (40, 3492286), (56, 2494490), (70, 1995592), (80, 1746143), (112, 1247245), (140, 997796), (280, 498898), (560, 249449)]