939102020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1\times {\mathrm{947}}^1$

素因数の和:1412

約数の個数: 48

約数和(自身を含む): 1992392640

約数和(自身を除く): 1053290620

約数列:

[1, 2, 4, 5, 10, 20, 179, 277, 358, 554, 716, 895, 947, 1108, 1385, 1790, 1894, 2770, 3580, 3788, 4735, 5540, 9470, 18940, 49583, 99166, 169513, 198332, 247915, 262319, 339026, 495830, 524638, 678052, 847565, 991660, 1049276, 1311595, 1695130, 2623190, 3390260, 5246380, 46955101, 93910202, 187820404, 234775505, 469551010, 939102020]

約数ペア:

[(1, 939102020), (2, 469551010), (4, 234775505), (5, 187820404), (10, 93910202), (20, 46955101), (179, 5246380), (277, 3390260), (358, 2623190), (554, 1695130), (716, 1311595), (895, 1049276), (947, 991660), (1108, 847565), (1385, 678052), (1790, 524638), (1894, 495830), (2770, 339026), (3580, 262319), (3788, 247915), (4735, 198332), (5540, 169513), (9470, 99166), (18940, 49583)]