2758490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 5733504

約数和(自身を除く): 2975014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 251, 314, 502, 785, 1099, 1255, 1570, 1757, 2198, 2510, 3514, 5495, 8785, 10990, 17570, 39407, 78814, 197035, 275849, 394070, 551698, 1379245, 2758490]

約数ペア:

[(1, 2758490), (2, 1379245), (5, 551698), (7, 394070), (10, 275849), (14, 197035), (35, 78814), (70, 39407), (157, 17570), (251, 10990), (314, 8785), (502, 5495), (785, 3514), (1099, 2510), (1255, 2198), (1570, 1757)]