68722990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 145076400

約数和(自身を除く): 76353410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 490, 695, 973, 1009, 1390, 1946, 2018, 4865, 5045, 6811, 7063, 9730, 10090, 13622, 14126, 34055, 35315, 49441, 68110, 70630, 98882, 140251, 247205, 280502, 494410, 701255, 981757, 1402510, 1963514, 4908785, 6872299, 9817570, 13744598, 34361495, 68722990]

約数ペア:

[(1, 68722990), (2, 34361495), (5, 13744598), (7, 9817570), (10, 6872299), (14, 4908785), (35, 1963514), (49, 1402510), (70, 981757), (98, 701255), (139, 494410), (245, 280502), (278, 247205), (490, 140251), (695, 98882), (973, 70630), (1009, 68110), (1390, 49441), (1946, 35315), (2018, 34055), (4865, 14126), (5045, 13622), (6811, 10090), (7063, 9730)]