198011660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11689}}^1$

素因数の和:11727

約数の個数: 72

約数和(自身を含む): 522402720

約数和(自身を除く): 324391060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 11689, 16940, 23378, 46756, 58445, 81823, 116890, 128579, 163646, 233780, 257158, 327292, 409115, 514316, 642895, 818230, 900053, 1285790, 1414369, 1636460, 1800106, 2571580, 2828738, 3600212, 4500265, 5657476, 7071845, 9000530, 9900583, 14143690, 18001060, 19801166, 28287380, 39602332, 49502915, 99005830, 198011660]

約数ペア:

[(1, 198011660), (2, 99005830), (4, 49502915), (5, 39602332), (7, 28287380), (10, 19801166), (11, 18001060), (14, 14143690), (20, 9900583), (22, 9000530), (28, 7071845), (35, 5657476), (44, 4500265), (55, 3600212), (70, 2828738), (77, 2571580), (110, 1800106), (121, 1636460), (140, 1414369), (154, 1285790), (220, 900053), (242, 818230), (308, 642895), (385, 514316), (484, 409115), (605, 327292), (770, 257158), (847, 233780), (1210, 163646), (1540, 128579), (1694, 116890), (2420, 81823), (3388, 58445), (4235, 46756), (8470, 23378), (11689, 16940)]