123533140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199247}}^1$

素因数の和:199287

約数の個数: 24

約数和(自身を含む): 267789312

約数和(自身を除く): 144256172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 199247, 398494, 796988, 996235, 1992470, 3984940, 6176657, 12353314, 24706628, 30883285, 61766570, 123533140]

約数ペア:

[(1, 123533140), (2, 61766570), (4, 30883285), (5, 24706628), (10, 12353314), (20, 6176657), (31, 3984940), (62, 1992470), (124, 996235), (155, 796988), (310, 398494), (620, 199247)]