78513400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{56081}}^1$

素因数の和:56104

約数の個数: 48

約数和(自身を含む): 208625040

約数和(自身を除く): 130111640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 56081, 112162, 224324, 280405, 392567, 448648, 560810, 785134, 1121620, 1402025, 1570268, 1962835, 2243240, 2804050, 3140536, 3925670, 5608100, 7851340, 9814175, 11216200, 15702680, 19628350, 39256700, 78513400]

約数ペア:

[(1, 78513400), (2, 39256700), (4, 19628350), (5, 15702680), (7, 11216200), (8, 9814175), (10, 7851340), (14, 5608100), (20, 3925670), (25, 3140536), (28, 2804050), (35, 2243240), (40, 1962835), (50, 1570268), (56, 1402025), (70, 1121620), (100, 785134), (140, 560810), (175, 448648), (200, 392567), (280, 280405), (350, 224324), (700, 112162), (1400, 56081)]