136220

素因数分解:

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

素因数の和:162

約数の個数: 36

約数和(自身を含む): 335160

約数和(自身を除く): 198940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1946, 2780, 3892, 4865, 6811, 9730, 13622, 19460, 27244, 34055, 68110, 136220]

約数ペア:

[(1, 136220), (2, 68110), (4, 34055), (5, 27244), (7, 19460), (10, 13622), (14, 9730), (20, 6811), (28, 4865), (35, 3892), (49, 2780), (70, 1946), (98, 1390), (139, 980), (140, 973), (196, 695), (245, 556), (278, 490)]