2774680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1059

約数の個数: 32

約数和(自身を含む): 6337440

約数和(自身を除く): 3562760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 977, 1420, 1954, 2840, 3908, 4885, 7816, 9770, 19540, 39080, 69367, 138734, 277468, 346835, 554936, 693670, 1387340, 2774680]

約数ペア:

[(1, 2774680), (2, 1387340), (4, 693670), (5, 554936), (8, 346835), (10, 277468), (20, 138734), (40, 69367), (71, 39080), (142, 19540), (284, 9770), (355, 7816), (568, 4885), (710, 3908), (977, 2840), (1420, 1954)]