125305880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{447521}}^1$

素因数の和:447539

約数の個数: 32

約数和(自身を含む): 322215840

約数和(自身を除く): 196909960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 447521, 895042, 1790084, 2237605, 3132647, 3580168, 4475210, 6265294, 8950420, 12530588, 15663235, 17900840, 25061176, 31326470, 62652940, 125305880]

約数ペア:

[(1, 125305880), (2, 62652940), (4, 31326470), (5, 25061176), (7, 17900840), (8, 15663235), (10, 12530588), (14, 8950420), (20, 6265294), (28, 4475210), (35, 3580168), (40, 3132647), (56, 2237605), (70, 1790084), (140, 895042), (280, 447521)]