422380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 1034208

約数和(自身を除く): 611828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 431, 490, 862, 980, 1724, 2155, 3017, 4310, 6034, 8620, 12068, 15085, 21119, 30170, 42238, 60340, 84476, 105595, 211190, 422380]

約数ペア:

[(1, 422380), (2, 211190), (4, 105595), (5, 84476), (7, 60340), (10, 42238), (14, 30170), (20, 21119), (28, 15085), (35, 12068), (49, 8620), (70, 6034), (98, 4310), (140, 3017), (196, 2155), (245, 1724), (431, 980), (490, 862)]