129792280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190871}}^1$

素因数の和:190899

約数の個数: 32

約数和(自身を含む): 309212640

約数和(自身を除く): 179420360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 190871, 381742, 763484, 954355, 1526968, 1908710, 3244807, 3817420, 6489614, 7634840, 12979228, 16224035, 25958456, 32448070, 64896140, 129792280]

約数ペア:

[(1, 129792280), (2, 64896140), (4, 32448070), (5, 25958456), (8, 16224035), (10, 12979228), (17, 7634840), (20, 6489614), (34, 3817420), (40, 3244807), (68, 1908710), (85, 1526968), (136, 954355), (170, 763484), (340, 381742), (680, 190871)]