140380664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 288420000

約数和(自身を除く): 148039336

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 109, 148, 152, 218, 229, 296, 436, 458, 703, 872, 916, 1406, 1832, 2071, 2812, 4033, 4142, 4351, 5624, 8066, 8284, 8473, 8702, 16132, 16568, 16946, 17404, 24961, 32264, 33892, 34808, 49922, 67784, 76627, 99844, 153254, 160987, 199688, 306508, 321974, 474259, 613016, 643948, 923557, 948518, 1287896, 1847114, 1897036, 3694228, 3794072, 7388456, 17547583, 35095166, 70190332, 140380664]

約数ペア:

[(1, 140380664), (2, 70190332), (4, 35095166), (8, 17547583), (19, 7388456), (37, 3794072), (38, 3694228), (74, 1897036), (76, 1847114), (109, 1287896), (148, 948518), (152, 923557), (218, 643948), (229, 613016), (296, 474259), (436, 321974), (458, 306508), (703, 199688), (872, 160987), (916, 153254), (1406, 99844), (1832, 76627), (2071, 67784), (2812, 49922), (4033, 34808), (4142, 33892), (4351, 32264), (5624, 24961), (8066, 17404), (8284, 16946), (8473, 16568), (8702, 16132)]