2783200280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9940001}}^1$

素因数の和:9940019

約数の個数: 32

約数和(自身を含む): 7156801440

約数和(自身を除く): 4373601160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 9940001, 19880002, 39760004, 49700005, 69580007, 79520008, 99400010, 139160014, 198800020, 278320028, 347900035, 397600040, 556640056, 695800070, 1391600140, 2783200280]

約数ペア:

[(1, 2783200280), (2, 1391600140), (4, 695800070), (5, 556640056), (7, 397600040), (8, 347900035), (10, 278320028), (14, 198800020), (20, 139160014), (28, 99400010), (35, 79520008), (40, 69580007), (56, 49700005), (70, 39760004), (140, 19880002), (280, 9940001)]