77509880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276821}}^1$

素因数の和:276839

約数の個数: 32

約数和(自身を含む): 199311840

約数和(自身を除く): 121801960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276821, 553642, 1107284, 1384105, 1937747, 2214568, 2768210, 3875494, 5536420, 7750988, 9688735, 11072840, 15501976, 19377470, 38754940, 77509880]

約数ペア:

[(1, 77509880), (2, 38754940), (4, 19377470), (5, 15501976), (7, 11072840), (8, 9688735), (10, 7750988), (14, 5536420), (20, 3875494), (28, 2768210), (35, 2214568), (40, 1937747), (56, 1384105), (70, 1107284), (140, 553642), (280, 276821)]