1971291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3520163}}^1$

素因数の和:3520183

約数の個数: 40

約数和(自身を含む): 5238004032

約数和(自身を除く): 3266712752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3520163, 7040326, 14080652, 17600815, 24641141, 28161304, 35201630, 49282282, 56322608, 70403260, 98564564, 123205705, 140806520, 197129128, 246411410, 281613040, 394258256, 492822820, 985645640, 1971291280]

約数ペア:

[(1, 1971291280), (2, 985645640), (4, 492822820), (5, 394258256), (7, 281613040), (8, 246411410), (10, 197129128), (14, 140806520), (16, 123205705), (20, 98564564), (28, 70403260), (35, 56322608), (40, 49282282), (56, 35201630), (70, 28161304), (80, 24641141), (112, 17600815), (140, 14080652), (280, 7040326), (560, 3520163)]