4428620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4519}}^1$

素因数の和:4542

約数の個数: 36

約数和(自身を含む): 10820880

約数和(自身を除く): 6392260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4519, 9038, 18076, 22595, 31633, 45190, 63266, 90380, 126532, 158165, 221431, 316330, 442862, 632660, 885724, 1107155, 2214310, 4428620]

約数ペア:

[(1, 4428620), (2, 2214310), (4, 1107155), (5, 885724), (7, 632660), (10, 442862), (14, 316330), (20, 221431), (28, 158165), (35, 126532), (49, 90380), (70, 63266), (98, 45190), (140, 31633), (196, 22595), (245, 18076), (490, 9038), (980, 4519)]