7210505680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{12875903}}^1$

素因数の和:12875923

約数の個数: 40

約数和(自身を含む): 19159345152

約数和(自身を除く): 11948839472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 12875903, 25751806, 51503612, 64379515, 90131321, 103007224, 128759030, 180262642, 206014448, 257518060, 360525284, 450656605, 515036120, 721050568, 901313210, 1030072240, 1442101136, 1802626420, 3605252840, 7210505680]

約数ペア:

[(1, 7210505680), (2, 3605252840), (4, 1802626420), (5, 1442101136), (7, 1030072240), (8, 901313210), (10, 721050568), (14, 515036120), (16, 450656605), (20, 360525284), (28, 257518060), (35, 206014448), (40, 180262642), (56, 128759030), (70, 103007224), (80, 90131321), (112, 64379515), (140, 51503612), (280, 25751806), (560, 12875903)]