291260694520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{230771}}^1$

素因数の和:231148

約数の個数: 64

約数和(自身を含む): 662961801600

約数和(自身を除く): 371701107080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 227, 278, 454, 556, 695, 908, 1112, 1135, 1390, 1816, 2270, 2780, 4540, 5560, 9080, 31553, 63106, 126212, 157765, 230771, 252424, 315530, 461542, 631060, 923084, 1153855, 1262120, 1846168, 2307710, 4615420, 9230840, 32077169, 52385017, 64154338, 104770034, 128308676, 160385845, 209540068, 256617352, 261925085, 320771690, 419080136, 523850170, 641543380, 1047700340, 1283086760, 2095400680, 7281517363, 14563034726, 29126069452, 36407586815, 58252138904, 72815173630, 145630347260, 291260694520]

約数ペア:

[(1, 291260694520), (2, 145630347260), (4, 72815173630), (5, 58252138904), (8, 36407586815), (10, 29126069452), (20, 14563034726), (40, 7281517363), (139, 2095400680), (227, 1283086760), (278, 1047700340), (454, 641543380), (556, 523850170), (695, 419080136), (908, 320771690), (1112, 261925085), (1135, 256617352), (1390, 209540068), (1816, 160385845), (2270, 128308676), (2780, 104770034), (4540, 64154338), (5560, 52385017), (9080, 32077169), (31553, 9230840), (63106, 4615420), (126212, 2307710), (157765, 1846168), (230771, 1262120), (252424, 1153855), (315530, 923084), (461542, 631060)]