4278620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 9504768

約数和(自身を除く): 5226148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 103, 124, 134, 155, 206, 268, 310, 335, 412, 515, 620, 670, 1030, 1340, 2060, 2077, 3193, 4154, 6386, 6901, 8308, 10385, 12772, 13802, 15965, 20770, 27604, 31930, 34505, 41540, 63860, 69010, 138020, 213931, 427862, 855724, 1069655, 2139310, 4278620]

約数ペア:

[(1, 4278620), (2, 2139310), (4, 1069655), (5, 855724), (10, 427862), (20, 213931), (31, 138020), (62, 69010), (67, 63860), (103, 41540), (124, 34505), (134, 31930), (155, 27604), (206, 20770), (268, 15965), (310, 13802), (335, 12772), (412, 10385), (515, 8308), (620, 6901), (670, 6386), (1030, 4154), (1340, 3193), (2060, 2077)]