249969590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{701}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 490226256

約数和(自身を除く): 240256666

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 211, 338, 422, 701, 845, 1055, 1402, 1690, 2110, 2743, 3505, 5486, 7010, 9113, 13715, 18226, 27430, 35659, 45565, 71318, 91130, 118469, 147911, 178295, 236938, 295822, 356590, 592345, 739555, 1184690, 1479110, 1922843, 3845686, 9614215, 19228430, 24996959, 49993918, 124984795, 249969590]

約数ペア:

[(1, 249969590), (2, 124984795), (5, 49993918), (10, 24996959), (13, 19228430), (26, 9614215), (65, 3845686), (130, 1922843), (169, 1479110), (211, 1184690), (338, 739555), (422, 592345), (701, 356590), (845, 295822), (1055, 236938), (1402, 178295), (1690, 147911), (2110, 118469), (2743, 91130), (3505, 71318), (5486, 45565), (7010, 35659), (9113, 27430), (13715, 18226)]