28477820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29059}}^1$

素因数の和:29082

約数の個数: 36

約数和(自身を含む): 69569640

約数和(自身を除く): 41091820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29059, 58118, 116236, 145295, 203413, 290590, 406826, 581180, 813652, 1017065, 1423891, 2034130, 2847782, 4068260, 5695564, 7119455, 14238910, 28477820]

約数ペア:

[(1, 28477820), (2, 14238910), (4, 7119455), (5, 5695564), (7, 4068260), (10, 2847782), (14, 2034130), (20, 1423891), (28, 1017065), (35, 813652), (49, 581180), (70, 406826), (98, 290590), (140, 203413), (196, 145295), (245, 116236), (490, 58118), (980, 29059)]