305641280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{136447}}^1$

素因数の和:136471

約数の個数: 56

約数和(自身を含む): 831787008

約数和(自身を除く): 526145728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 136447, 272894, 545788, 682235, 955129, 1091576, 1364470, 1910258, 2183152, 2728940, 3820516, 4366304, 4775645, 5457880, 7641032, 8732608, 9551290, 10915760, 15282064, 19102580, 21831520, 30564128, 38205160, 43663040, 61128256, 76410320, 152820640, 305641280]

約数ペア:

[(1, 305641280), (2, 152820640), (4, 76410320), (5, 61128256), (7, 43663040), (8, 38205160), (10, 30564128), (14, 21831520), (16, 19102580), (20, 15282064), (28, 10915760), (32, 9551290), (35, 8732608), (40, 7641032), (56, 5457880), (64, 4775645), (70, 4366304), (80, 3820516), (112, 2728940), (140, 2183152), (160, 1910258), (224, 1364470), (280, 1091576), (320, 955129), (448, 682235), (560, 545788), (1120, 272894), (2240, 136447)]