1204420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1229}}^1$

素因数の和:1252

約数の個数: 36

約数和(自身を含む): 2944620

約数和(自身を除く): 1740200

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1229, 2458, 4916, 6145, 8603, 12290, 17206, 24580, 34412, 43015, 60221, 86030, 120442, 172060, 240884, 301105, 602210, 1204420]

約数ペア:

[(1, 1204420), (2, 602210), (4, 301105), (5, 240884), (7, 172060), (10, 120442), (14, 86030), (20, 60221), (28, 43015), (35, 34412), (49, 24580), (70, 17206), (98, 12290), (140, 8603), (196, 6145), (245, 4916), (490, 2458), (980, 1229)]