27856990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 58892400

約数和(自身を除く): 31035410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 409, 490, 695, 818, 973, 1390, 1946, 2045, 2863, 4090, 4865, 5726, 6811, 9730, 13622, 14315, 20041, 28630, 34055, 40082, 56851, 68110, 100205, 113702, 200410, 284255, 397957, 568510, 795914, 1989785, 2785699, 3979570, 5571398, 13928495, 27856990]

約数ペア:

[(1, 27856990), (2, 13928495), (5, 5571398), (7, 3979570), (10, 2785699), (14, 1989785), (35, 795914), (49, 568510), (70, 397957), (98, 284255), (139, 200410), (245, 113702), (278, 100205), (409, 68110), (490, 56851), (695, 40082), (818, 34055), (973, 28630), (1390, 20041), (1946, 14315), (2045, 13622), (2863, 9730), (4090, 6811), (4865, 5726)]