865353020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{74471}}^1$

素因数の和:74570

約数の個数: 48

約数和(自身を含む): 2101897728

約数和(自身を除く): 1236544708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 74471, 148942, 297884, 372355, 521297, 744710, 1042594, 1489420, 2085188, 2606485, 5212970, 6181093, 10425940, 12362186, 24724372, 30905465, 43267651, 61810930, 86535302, 123621860, 173070604, 216338255, 432676510, 865353020]

約数ペア:

[(1, 865353020), (2, 432676510), (4, 216338255), (5, 173070604), (7, 123621860), (10, 86535302), (14, 61810930), (20, 43267651), (28, 30905465), (35, 24724372), (70, 12362186), (83, 10425940), (140, 6181093), (166, 5212970), (332, 2606485), (415, 2085188), (581, 1489420), (830, 1042594), (1162, 744710), (1660, 521297), (2324, 372355), (2905, 297884), (5810, 148942), (11620, 74471)]