2149880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 4911840

約数和(自身を除く): 2761960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 757, 1420, 1514, 2840, 3028, 3785, 6056, 7570, 15140, 30280, 53747, 107494, 214988, 268735, 429976, 537470, 1074940, 2149880]

約数ペア:

[(1, 2149880), (2, 1074940), (4, 537470), (5, 429976), (8, 268735), (10, 214988), (20, 107494), (40, 53747), (71, 30280), (142, 15140), (284, 7570), (355, 6056), (568, 3785), (710, 3028), (757, 2840), (1420, 1514)]