5516980

素因数分解:

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

素因数の和:424

約数の個数: 48

約数和(自身を含む): 13378176

約数和(自身を除く): 7861196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 251, 314, 502, 628, 785, 1004, 1099, 1255, 1570, 1757, 2198, 2510, 3140, 3514, 4396, 5020, 5495, 7028, 8785, 10990, 17570, 21980, 35140, 39407, 78814, 157628, 197035, 275849, 394070, 551698, 788140, 1103396, 1379245, 2758490, 5516980]

約数ペア:

[(1, 5516980), (2, 2758490), (4, 1379245), (5, 1103396), (7, 788140), (10, 551698), (14, 394070), (20, 275849), (28, 197035), (35, 157628), (70, 78814), (140, 39407), (157, 35140), (251, 21980), (314, 17570), (502, 10990), (628, 8785), (785, 7028), (1004, 5495), (1099, 5020), (1255, 4396), (1570, 3514), (1757, 3140), (2198, 2510)]