81477770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{233}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 171980172

約数和(自身を除く): 90502402

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 233, 242, 289, 374, 466, 578, 605, 935, 1165, 1210, 1445, 1870, 2057, 2330, 2563, 2890, 3179, 3961, 4114, 5126, 6358, 7922, 10285, 12815, 15895, 19805, 20570, 25630, 28193, 31790, 34969, 39610, 43571, 56386, 67337, 69938, 87142, 134674, 140965, 174845, 217855, 281930, 336685, 349690, 435710, 479281, 673370, 740707, 958562, 1481414, 2396405, 3703535, 4792810, 7407070, 8147777, 16295554, 40738885, 81477770]

約数ペア:

[(1, 81477770), (2, 40738885), (5, 16295554), (10, 8147777), (11, 7407070), (17, 4792810), (22, 3703535), (34, 2396405), (55, 1481414), (85, 958562), (110, 740707), (121, 673370), (170, 479281), (187, 435710), (233, 349690), (242, 336685), (289, 281930), (374, 217855), (466, 174845), (578, 140965), (605, 134674), (935, 87142), (1165, 69938), (1210, 67337), (1445, 56386), (1870, 43571), (2057, 39610), (2330, 34969), (2563, 31790), (2890, 28193), (3179, 25630), (3961, 20570), (4114, 19805), (5126, 15895), (6358, 12815), (7922, 10285)]