180778444

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 404490240

約数和(自身を除く): 223711796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 191, 196, 308, 382, 439, 539, 764, 878, 1078, 1337, 1756, 2101, 2156, 2674, 3073, 4202, 4829, 5348, 6146, 8404, 9359, 9658, 12292, 14707, 18718, 19316, 21511, 29414, 33803, 37436, 43022, 58828, 67606, 83849, 86044, 102949, 135212, 167698, 205898, 236621, 335396, 411796, 473242, 586943, 922339, 946484, 1173886, 1844678, 2347772, 3689356, 4108601, 6456373, 8217202, 12912746, 16434404, 25825492, 45194611, 90389222, 180778444]

約数ペア:

[(1, 180778444), (2, 90389222), (4, 45194611), (7, 25825492), (11, 16434404), (14, 12912746), (22, 8217202), (28, 6456373), (44, 4108601), (49, 3689356), (77, 2347772), (98, 1844678), (154, 1173886), (191, 946484), (196, 922339), (308, 586943), (382, 473242), (439, 411796), (539, 335396), (764, 236621), (878, 205898), (1078, 167698), (1337, 135212), (1756, 102949), (2101, 86044), (2156, 83849), (2674, 67606), (3073, 58828), (4202, 43022), (4829, 37436), (5348, 33803), (6146, 29414), (8404, 21511), (9359, 19316), (9658, 18718), (12292, 14707)]