12238520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 31838400

約数和(自身を除く): 19599880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 401, 436, 545, 763, 802, 872, 1090, 1526, 1604, 2005, 2180, 2807, 3052, 3208, 3815, 4010, 4360, 5614, 6104, 7630, 8020, 11228, 14035, 15260, 16040, 22456, 28070, 30520, 43709, 56140, 87418, 112280, 174836, 218545, 305963, 349672, 437090, 611926, 874180, 1223852, 1529815, 1748360, 2447704, 3059630, 6119260, 12238520]

約数ペア:

[(1, 12238520), (2, 6119260), (4, 3059630), (5, 2447704), (7, 1748360), (8, 1529815), (10, 1223852), (14, 874180), (20, 611926), (28, 437090), (35, 349672), (40, 305963), (56, 218545), (70, 174836), (109, 112280), (140, 87418), (218, 56140), (280, 43709), (401, 30520), (436, 28070), (545, 22456), (763, 16040), (802, 15260), (872, 14035), (1090, 11228), (1526, 8020), (1604, 7630), (2005, 6104), (2180, 5614), (2807, 4360), (3052, 4010), (3208, 3815)]