890940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 2580480

約数和(自身を除く): 1689540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 479, 620, 930, 958, 1437, 1860, 1916, 2395, 2874, 4790, 5748, 7185, 9580, 14370, 14849, 28740, 29698, 44547, 59396, 74245, 89094, 148490, 178188, 222735, 296980, 445470, 890940]

約数ペア:

[(1, 890940), (2, 445470), (3, 296980), (4, 222735), (5, 178188), (6, 148490), (10, 89094), (12, 74245), (15, 59396), (20, 44547), (30, 29698), (31, 28740), (60, 14849), (62, 14370), (93, 9580), (124, 7185), (155, 5748), (186, 4790), (310, 2874), (372, 2395), (465, 1916), (479, 1860), (620, 1437), (930, 958)]