1211543420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{8117}}^1$

素因数の和:8582

約数の個数: 48

約数和(自身を含む): 2700371520

約数和(自身を除く): 1488828100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 2195, 4390, 7463, 8117, 8780, 14926, 16234, 29852, 32468, 37315, 40585, 74630, 81170, 137989, 149260, 162340, 275978, 551956, 689945, 1379890, 2759780, 3563363, 7126726, 14253452, 17816815, 35633630, 60577171, 71267260, 121154342, 242308684, 302885855, 605771710, 1211543420]

約数ペア:

[(1, 1211543420), (2, 605771710), (4, 302885855), (5, 242308684), (10, 121154342), (17, 71267260), (20, 60577171), (34, 35633630), (68, 17816815), (85, 14253452), (170, 7126726), (340, 3563363), (439, 2759780), (878, 1379890), (1756, 689945), (2195, 551956), (4390, 275978), (7463, 162340), (8117, 149260), (8780, 137989), (14926, 81170), (16234, 74630), (29852, 40585), (32468, 37315)]