9840404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 11327596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 349, 371, 532, 698, 742, 1007, 1396, 1484, 2014, 2443, 4028, 4886, 6631, 7049, 9772, 13262, 14098, 18497, 26524, 28196, 36994, 46417, 73988, 92834, 129479, 185668, 258958, 351443, 517916, 702886, 1405772, 2460101, 4920202, 9840404]

約数ペア:

[(1, 9840404), (2, 4920202), (4, 2460101), (7, 1405772), (14, 702886), (19, 517916), (28, 351443), (38, 258958), (53, 185668), (76, 129479), (106, 92834), (133, 73988), (212, 46417), (266, 36994), (349, 28196), (371, 26524), (532, 18497), (698, 14098), (742, 13262), (1007, 9772), (1396, 7049), (1484, 6631), (2014, 4886), (2443, 4028)]