138643540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{6151}}^1$

素因数の和:6197

約数の個数: 72

約数和(自身を含む): 353469312

約数和(自身を除く): 214825772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 6151, 11270, 12302, 22540, 24604, 30755, 43057, 61510, 86114, 123020, 141473, 172228, 215285, 282946, 301399, 430570, 565892, 602798, 707365, 861140, 990311, 1205596, 1414730, 1506995, 1980622, 2829460, 3013990, 3961244, 4951555, 6027980, 6932177, 9903110, 13864354, 19806220, 27728708, 34660885, 69321770, 138643540]

約数ペア:

[(1, 138643540), (2, 69321770), (4, 34660885), (5, 27728708), (7, 19806220), (10, 13864354), (14, 9903110), (20, 6932177), (23, 6027980), (28, 4951555), (35, 3961244), (46, 3013990), (49, 2829460), (70, 1980622), (92, 1506995), (98, 1414730), (115, 1205596), (140, 990311), (161, 861140), (196, 707365), (230, 602798), (245, 565892), (322, 430570), (460, 301399), (490, 282946), (644, 215285), (805, 172228), (980, 141473), (1127, 123020), (1610, 86114), (2254, 61510), (3220, 43057), (4508, 30755), (5635, 24604), (6151, 22540), (11270, 12302)]