2099690780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{14843}}^1$

素因数の和:15506

約数の個数: 48

約数和(自身を含む): 4818006144

約数和(自身を除く): 2718315364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 643, 1286, 2572, 3215, 6430, 7073, 12860, 14146, 14843, 28292, 29686, 35365, 59372, 70730, 74215, 141460, 148430, 163273, 296860, 326546, 653092, 816365, 1632730, 3265460, 9544049, 19088098, 38176196, 47720245, 95440490, 104984539, 190880980, 209969078, 419938156, 524922695, 1049845390, 2099690780]

約数ペア:

[(1, 2099690780), (2, 1049845390), (4, 524922695), (5, 419938156), (10, 209969078), (11, 190880980), (20, 104984539), (22, 95440490), (44, 47720245), (55, 38176196), (110, 19088098), (220, 9544049), (643, 3265460), (1286, 1632730), (2572, 816365), (3215, 653092), (6430, 326546), (7073, 296860), (12860, 163273), (14146, 148430), (14843, 141460), (28292, 74215), (29686, 70730), (35365, 59372)]