197688590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 393573600

約数和(自身を除く): 195885010

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 821, 995, 1210, 1642, 1990, 2189, 4105, 4378, 8210, 9031, 10945, 18062, 21890, 24079, 45155, 48158, 90310, 99341, 120395, 163379, 198682, 240790, 326758, 496705, 816895, 993410, 1633790, 1797169, 3594338, 8985845, 17971690, 19768859, 39537718, 98844295, 197688590]

約数ペア:

[(1, 197688590), (2, 98844295), (5, 39537718), (10, 19768859), (11, 17971690), (22, 8985845), (55, 3594338), (110, 1797169), (121, 1633790), (199, 993410), (242, 816895), (398, 496705), (605, 326758), (821, 240790), (995, 198682), (1210, 163379), (1642, 120395), (1990, 99341), (2189, 90310), (4105, 48158), (4378, 45155), (8210, 24079), (9031, 21890), (10945, 18062)]