412580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{421}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 1010268

約数和(自身を除く): 597688

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 421, 490, 842, 980, 1684, 2105, 2947, 4210, 5894, 8420, 11788, 14735, 20629, 29470, 41258, 58940, 82516, 103145, 206290, 412580]

約数ペア:

[(1, 412580), (2, 206290), (4, 103145), (5, 82516), (7, 58940), (10, 41258), (14, 29470), (20, 20629), (28, 14735), (35, 11788), (49, 8420), (70, 5894), (98, 4210), (140, 2947), (196, 2105), (245, 1684), (421, 980), (490, 842)]