69335980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 170931600

約数和(自身を除く): 101595620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 509, 556, 695, 973, 980, 1018, 1390, 1946, 2036, 2545, 2780, 3563, 3892, 4865, 5090, 6811, 7126, 9730, 10180, 13622, 14252, 17815, 19460, 24941, 27244, 34055, 35630, 49882, 68110, 70751, 71260, 99764, 124705, 136220, 141502, 249410, 283004, 353755, 495257, 498820, 707510, 990514, 1415020, 1981028, 2476285, 3466799, 4952570, 6933598, 9905140, 13867196, 17333995, 34667990, 69335980]

約数ペア:

[(1, 69335980), (2, 34667990), (4, 17333995), (5, 13867196), (7, 9905140), (10, 6933598), (14, 4952570), (20, 3466799), (28, 2476285), (35, 1981028), (49, 1415020), (70, 990514), (98, 707510), (139, 498820), (140, 495257), (196, 353755), (245, 283004), (278, 249410), (490, 141502), (509, 136220), (556, 124705), (695, 99764), (973, 71260), (980, 70751), (1018, 68110), (1390, 49882), (1946, 35630), (2036, 34055), (2545, 27244), (2780, 24941), (3563, 19460), (3892, 17815), (4865, 14252), (5090, 13622), (6811, 10180), (7126, 9730)]