2891920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 40

約数和(自身を含む): 6912504

約数和(自身を除く): 4020584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 977, 1480, 1954, 2960, 3908, 4885, 7816, 9770, 15632, 19540, 36149, 39080, 72298, 78160, 144596, 180745, 289192, 361490, 578384, 722980, 1445960, 2891920]

約数ペア:

[(1, 2891920), (2, 1445960), (4, 722980), (5, 578384), (8, 361490), (10, 289192), (16, 180745), (20, 144596), (37, 78160), (40, 72298), (74, 39080), (80, 36149), (148, 19540), (185, 15632), (296, 9770), (370, 7816), (592, 4885), (740, 3908), (977, 2960), (1480, 1954)]