71429060

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 153014400

約数和(自身を除く): 81585340

約数列:

[1, 2, 4, 5, 10, 20, 131, 137, 199, 262, 274, 398, 524, 548, 655, 685, 796, 995, 1310, 1370, 1990, 2620, 2740, 3980, 17947, 26069, 27263, 35894, 52138, 54526, 71788, 89735, 104276, 109052, 130345, 136315, 179470, 260690, 272630, 358940, 521380, 545260, 3571453, 7142906, 14285812, 17857265, 35714530, 71429060]

約数ペア:

[(1, 71429060), (2, 35714530), (4, 17857265), (5, 14285812), (10, 7142906), (20, 3571453), (131, 545260), (137, 521380), (199, 358940), (262, 272630), (274, 260690), (398, 179470), (524, 136315), (548, 130345), (655, 109052), (685, 104276), (796, 89735), (995, 71788), (1310, 54526), (1370, 52138), (1990, 35894), (2620, 27263), (2740, 26069), (3980, 17947)]