189958790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2949

約数の個数: 48

約数和(自身を含む): 400755600

約数和(自身を除く): 210796810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 973, 1390, 1946, 2789, 4865, 5578, 6811, 9730, 13622, 13945, 19523, 27890, 34055, 39046, 68110, 97615, 136661, 195230, 273322, 387671, 683305, 775342, 1366610, 1938355, 2713697, 3876710, 5427394, 13568485, 18995879, 27136970, 37991758, 94979395, 189958790]

約数ペア:

[(1, 189958790), (2, 94979395), (5, 37991758), (7, 27136970), (10, 18995879), (14, 13568485), (35, 5427394), (49, 3876710), (70, 2713697), (98, 1938355), (139, 1366610), (245, 775342), (278, 683305), (490, 387671), (695, 273322), (973, 195230), (1390, 136661), (1946, 97615), (2789, 68110), (4865, 39046), (5578, 34055), (6811, 27890), (9730, 19523), (13622, 13945)]