40239388

素因数分解:

$2^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 83104000

約数和(自身を除く): 42864612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 211, 278, 343, 422, 556, 686, 844, 973, 1372, 1477, 1946, 2954, 3892, 5908, 6811, 10339, 13622, 20678, 27244, 29329, 41356, 47677, 58658, 72373, 95354, 117316, 144746, 190708, 205303, 289492, 410606, 821212, 1437121, 2874242, 5748484, 10059847, 20119694, 40239388]

約数ペア:

[(1, 40239388), (2, 20119694), (4, 10059847), (7, 5748484), (14, 2874242), (28, 1437121), (49, 821212), (98, 410606), (139, 289492), (196, 205303), (211, 190708), (278, 144746), (343, 117316), (422, 95354), (556, 72373), (686, 58658), (844, 47677), (973, 41356), (1372, 29329), (1477, 27244), (1946, 20678), (2954, 13622), (3892, 10339), (5908, 6811)]