129181780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70979}}^1$

素因数の和:71008

約数の個数: 48

約数和(自身を含む): 333889920

約数和(自身を除く): 204708140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70979, 141958, 283916, 354895, 496853, 709790, 922727, 993706, 1419580, 1845454, 1987412, 2484265, 3690908, 4613635, 4968530, 6459089, 9227270, 9937060, 12918178, 18454540, 25836356, 32295445, 64590890, 129181780]

約数ペア:

[(1, 129181780), (2, 64590890), (4, 32295445), (5, 25836356), (7, 18454540), (10, 12918178), (13, 9937060), (14, 9227270), (20, 6459089), (26, 4968530), (28, 4613635), (35, 3690908), (52, 2484265), (65, 1987412), (70, 1845454), (91, 1419580), (130, 993706), (140, 922727), (182, 709790), (260, 496853), (364, 354895), (455, 283916), (910, 141958), (1820, 70979)]