1780454710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{883}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 3522916800

約数和(自身を除く): 1742462090

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 409, 493, 818, 883, 986, 1766, 2045, 2465, 4090, 4415, 4930, 6953, 8830, 11861, 13906, 15011, 23722, 25607, 30022, 34765, 51214, 59305, 69530, 75055, 118610, 128035, 150110, 201637, 256070, 361147, 403274, 435319, 722294, 870638, 1008185, 1805735, 2016370, 2176595, 3611470, 4353190, 6139499, 10473263, 12278998, 20946526, 30697495, 52366315, 61394990, 104732630, 178045471, 356090942, 890227355, 1780454710]

約数ペア:

[(1, 1780454710), (2, 890227355), (5, 356090942), (10, 178045471), (17, 104732630), (29, 61394990), (34, 52366315), (58, 30697495), (85, 20946526), (145, 12278998), (170, 10473263), (290, 6139499), (409, 4353190), (493, 3611470), (818, 2176595), (883, 2016370), (986, 1805735), (1766, 1008185), (2045, 870638), (2465, 722294), (4090, 435319), (4415, 403274), (4930, 361147), (6953, 256070), (8830, 201637), (11861, 150110), (13906, 128035), (15011, 118610), (23722, 75055), (25607, 69530), (30022, 59305), (34765, 51214)]