188428520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{96137}}^1$

素因数の和:96162

約数の個数: 48

約数和(自身を含む): 493187940

約数和(自身を除く): 304759420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 96137, 192274, 384548, 480685, 672959, 769096, 961370, 1345918, 1922740, 2691836, 3364795, 3845480, 4710713, 5383672, 6729590, 9421426, 13459180, 18842852, 23553565, 26918360, 37685704, 47107130, 94214260, 188428520]

約数ペア:

[(1, 188428520), (2, 94214260), (4, 47107130), (5, 37685704), (7, 26918360), (8, 23553565), (10, 18842852), (14, 13459180), (20, 9421426), (28, 6729590), (35, 5383672), (40, 4710713), (49, 3845480), (56, 3364795), (70, 2691836), (98, 1922740), (140, 1345918), (196, 961370), (245, 769096), (280, 672959), (392, 480685), (490, 384548), (980, 192274), (1960, 96137)]