400787984305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{504139}}^1$

素因数の和:504421

約数の個数: 32

約数和(自身を含む): 520369274880

約数和(自身を除く): 119581290575

約数列:

[1, 5, 23, 31, 115, 155, 223, 713, 1115, 3565, 5129, 6913, 25645, 34565, 158999, 504139, 794995, 2520695, 11595197, 15628309, 57975985, 78141545, 112422997, 359451107, 562114985, 1797255535, 2585728931, 3485112907, 12928644655, 17425564535, 80157596861, 400787984305]

約数ペア:

[(1, 400787984305), (5, 80157596861), (23, 17425564535), (31, 12928644655), (115, 3485112907), (155, 2585728931), (223, 1797255535), (713, 562114985), (1115, 359451107), (3565, 112422997), (5129, 78141545), (6913, 57975985), (25645, 15628309), (34565, 11595197), (158999, 2520695), (504139, 794995)]