84869390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1061}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 161339040

約数和(自身を除く): 76469650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421, 842, 1061, 2105, 2122, 4210, 5305, 7999, 10610, 15998, 20159, 39995, 40318, 79990, 100795, 201590, 446681, 893362, 2233405, 4466810, 8486939, 16973878, 42434695, 84869390]

約数ペア:

[(1, 84869390), (2, 42434695), (5, 16973878), (10, 8486939), (19, 4466810), (38, 2233405), (95, 893362), (190, 446681), (421, 201590), (842, 100795), (1061, 79990), (2105, 40318), (2122, 39995), (4210, 20159), (5305, 15998), (7999, 10610)]