2051270590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{13859}}^1$

素因数の和:13945

約数の個数: 48

約数和(自身を含む): 3992178960

約数和(自身を除く): 1940908370

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 361, 410, 722, 779, 1558, 1805, 3610, 3895, 7790, 13859, 14801, 27718, 29602, 69295, 74005, 138590, 148010, 263321, 526642, 568219, 1136438, 1316605, 2633210, 2841095, 5003099, 5682190, 10006198, 10796161, 21592322, 25015495, 50030990, 53980805, 107961610, 205127059, 410254118, 1025635295, 2051270590]

約数ペア:

[(1, 2051270590), (2, 1025635295), (5, 410254118), (10, 205127059), (19, 107961610), (38, 53980805), (41, 50030990), (82, 25015495), (95, 21592322), (190, 10796161), (205, 10006198), (361, 5682190), (410, 5003099), (722, 2841095), (779, 2633210), (1558, 1316605), (1805, 1136438), (3610, 568219), (3895, 526642), (7790, 263321), (13859, 148010), (14801, 138590), (27718, 74005), (29602, 69295)]