11979100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 30171680

約数和(自身を除く): 18192580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 140, 157, 175, 218, 314, 350, 436, 545, 628, 700, 763, 785, 1090, 1099, 1526, 1570, 2180, 2198, 2725, 3052, 3140, 3815, 3925, 4396, 5450, 5495, 7630, 7850, 10900, 10990, 15260, 15700, 17113, 19075, 21980, 27475, 34226, 38150, 54950, 68452, 76300, 85565, 109900, 119791, 171130, 239582, 342260, 427825, 479164, 598955, 855650, 1197910, 1711300, 2395820, 2994775, 5989550, 11979100]

約数ペア:

[(1, 11979100), (2, 5989550), (4, 2994775), (5, 2395820), (7, 1711300), (10, 1197910), (14, 855650), (20, 598955), (25, 479164), (28, 427825), (35, 342260), (50, 239582), (70, 171130), (100, 119791), (109, 109900), (140, 85565), (157, 76300), (175, 68452), (218, 54950), (314, 38150), (350, 34226), (436, 27475), (545, 21980), (628, 19075), (700, 17113), (763, 15700), (785, 15260), (1090, 10990), (1099, 10900), (1526, 7850), (1570, 7630), (2180, 5495), (2198, 5450), (2725, 4396), (3052, 3925), (3140, 3815)]