290469160

素因数分解:

$2^3\times 5^1\times {\mathrm{2659}}^1\times {\mathrm{2731}}^1$

素因数の和:5401

約数の個数: 32

約数和(自身を含む): 654040800

約数和(自身を除く): 363571640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2659, 2731, 5318, 5462, 10636, 10924, 13295, 13655, 21272, 21848, 26590, 27310, 53180, 54620, 106360, 109240, 7261729, 14523458, 29046916, 36308645, 58093832, 72617290, 145234580, 290469160]

約数ペア:

[(1, 290469160), (2, 145234580), (4, 72617290), (5, 58093832), (8, 36308645), (10, 29046916), (20, 14523458), (40, 7261729), (2659, 109240), (2731, 106360), (5318, 54620), (5462, 53180), (10636, 27310), (10924, 26590), (13295, 21848), (13655, 21272)]