2017888090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 3800079360

約数和(自身を除く): 1782191270

約数列:

[1, 2, 5, 10, 43, 86, 97, 101, 194, 202, 215, 430, 479, 485, 505, 958, 970, 1010, 2395, 4171, 4343, 4790, 8342, 8686, 9797, 19594, 20597, 20855, 21715, 41194, 41710, 43430, 46463, 48379, 48985, 92926, 96758, 97970, 102985, 205970, 232315, 241895, 421271, 464630, 483790, 842542, 1997909, 2080297, 2106355, 3995818, 4160594, 4212710, 4692763, 9385526, 9989545, 10401485, 19979090, 20802970, 23463815, 46927630, 201788809, 403577618, 1008944045, 2017888090]

約数ペア:

[(1, 2017888090), (2, 1008944045), (5, 403577618), (10, 201788809), (43, 46927630), (86, 23463815), (97, 20802970), (101, 19979090), (194, 10401485), (202, 9989545), (215, 9385526), (430, 4692763), (479, 4212710), (485, 4160594), (505, 3995818), (958, 2106355), (970, 2080297), (1010, 1997909), (2395, 842542), (4171, 483790), (4343, 464630), (4790, 421271), (8342, 241895), (8686, 232315), (9797, 205970), (19594, 102985), (20597, 97970), (20855, 96758), (21715, 92926), (41194, 48985), (41710, 48379), (43430, 46463)]