171489520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69149}}^1$

素因数の和:69193

約数の個数: 40

約数和(自身を含む): 411580800

約数和(自身を除く): 240091280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 69149, 138298, 276596, 345745, 553192, 691490, 1106384, 1382980, 2143619, 2765960, 4287238, 5531920, 8574476, 10718095, 17148952, 21436190, 34297904, 42872380, 85744760, 171489520]

約数ペア:

[(1, 171489520), (2, 85744760), (4, 42872380), (5, 34297904), (8, 21436190), (10, 17148952), (16, 10718095), (20, 8574476), (31, 5531920), (40, 4287238), (62, 2765960), (80, 2143619), (124, 1382980), (155, 1106384), (248, 691490), (310, 553192), (496, 345745), (620, 276596), (1240, 138298), (2480, 69149)]