280140004

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{886519}}^1$

素因数の和:886602

約数の個数: 12

約数和(自身を含む): 496451200

約数和(自身を除く): 216311196

約数列:

[1, 2, 4, 79, 158, 316, 886519, 1773038, 3546076, 70035001, 140070002, 280140004]

約数ペア:

[(1, 280140004), (2, 140070002), (4, 70035001), (79, 3546076), (158, 1773038), (316, 886519)]