28912029020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8978891}}^1$

素因数の和:8978930

約数の個数: 48

約数和(自身を含む): 72405785088

約数和(自身を除く): 43493756068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8978891, 17957782, 35915564, 44894455, 62852237, 89788910, 125704474, 179577820, 206514493, 251408948, 314261185, 413028986, 628522370, 826057972, 1032572465, 1257044740, 1445601451, 2065144930, 2891202902, 4130289860, 5782405804, 7228007255, 14456014510, 28912029020]

約数ペア:

[(1, 28912029020), (2, 14456014510), (4, 7228007255), (5, 5782405804), (7, 4130289860), (10, 2891202902), (14, 2065144930), (20, 1445601451), (23, 1257044740), (28, 1032572465), (35, 826057972), (46, 628522370), (70, 413028986), (92, 314261185), (115, 251408948), (140, 206514493), (161, 179577820), (230, 125704474), (322, 89788910), (460, 62852237), (644, 44894455), (805, 35915564), (1610, 17957782), (3220, 8978891)]