271744620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{647011}}^1$

素因数の和:647030

約数の個数: 48

約数和(自身を含む): 869584128

約数和(自身を除く): 597839508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 647011, 1294022, 1941033, 2588044, 3235055, 3882066, 4529077, 6470110, 7764132, 9058154, 9705165, 12940220, 13587231, 18116308, 19410330, 22645385, 27174462, 38820660, 45290770, 54348924, 67936155, 90581540, 135872310, 271744620]

約数ペア:

[(1, 271744620), (2, 135872310), (3, 90581540), (4, 67936155), (5, 54348924), (6, 45290770), (7, 38820660), (10, 27174462), (12, 22645385), (14, 19410330), (15, 18116308), (20, 13587231), (21, 12940220), (28, 9705165), (30, 9058154), (35, 7764132), (42, 6470110), (60, 4529077), (70, 3882066), (84, 3235055), (105, 2588044), (140, 1941033), (210, 1294022), (420, 647011)]