205657270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7793}}^1$

素因数の和:7849

約数の個数: 64

約数和(自身を含む): 471381120

約数和(自身を除く): 265723850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 910, 1015, 1885, 2030, 2639, 3770, 5278, 7793, 13195, 15586, 26390, 38965, 54551, 77930, 101309, 109102, 202618, 225997, 272755, 451994, 506545, 545510, 709163, 1013090, 1129985, 1418326, 1581979, 2259970, 2937961, 3163958, 3545815, 5875922, 7091630, 7909895, 14689805, 15819790, 20565727, 29379610, 41131454, 102828635, 205657270]

約数ペア:

[(1, 205657270), (2, 102828635), (5, 41131454), (7, 29379610), (10, 20565727), (13, 15819790), (14, 14689805), (26, 7909895), (29, 7091630), (35, 5875922), (58, 3545815), (65, 3163958), (70, 2937961), (91, 2259970), (130, 1581979), (145, 1418326), (182, 1129985), (203, 1013090), (290, 709163), (377, 545510), (406, 506545), (455, 451994), (754, 272755), (910, 225997), (1015, 202618), (1885, 109102), (2030, 101309), (2639, 77930), (3770, 54551), (5278, 38965), (7793, 26390), (13195, 15586)]