89870330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 189619164

約数和(自身を除く): 99748834

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 170, 187, 242, 257, 289, 374, 514, 578, 605, 935, 1210, 1285, 1445, 1870, 2057, 2570, 2827, 2890, 3179, 4114, 4369, 5654, 6358, 8738, 10285, 14135, 15895, 20570, 21845, 28270, 31097, 31790, 34969, 43690, 48059, 62194, 69938, 74273, 96118, 148546, 155485, 174845, 240295, 310970, 349690, 371365, 480590, 528649, 742730, 817003, 1057298, 1634006, 2643245, 4085015, 5286490, 8170030, 8987033, 17974066, 44935165, 89870330]

約数ペア:

[(1, 89870330), (2, 44935165), (5, 17974066), (10, 8987033), (11, 8170030), (17, 5286490), (22, 4085015), (34, 2643245), (55, 1634006), (85, 1057298), (110, 817003), (121, 742730), (170, 528649), (187, 480590), (242, 371365), (257, 349690), (289, 310970), (374, 240295), (514, 174845), (578, 155485), (605, 148546), (935, 96118), (1210, 74273), (1285, 69938), (1445, 62194), (1870, 48059), (2057, 43690), (2570, 34969), (2827, 31790), (2890, 31097), (3179, 28270), (4114, 21845), (4369, 20570), (5654, 15895), (6358, 14135), (8738, 10285)]