131940760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{471217}}^1$

素因数の和:471235

約数の個数: 32

約数和(自身を含む): 339276960

約数和(自身を除く): 207336200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 471217, 942434, 1884868, 2356085, 3298519, 3769736, 4712170, 6597038, 9424340, 13194076, 16492595, 18848680, 26388152, 32985190, 65970380, 131940760]

約数ペア:

[(1, 131940760), (2, 65970380), (4, 32985190), (5, 26388152), (7, 18848680), (8, 16492595), (10, 13194076), (14, 9424340), (20, 6597038), (28, 4712170), (35, 3769736), (40, 3298519), (56, 2356085), (70, 1884868), (140, 942434), (280, 471217)]