188389480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 441100800

約数和(自身を除く): 252711320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1093, 1112, 1240, 1390, 2186, 2780, 4309, 4372, 5465, 5560, 8618, 8744, 10930, 17236, 21545, 21860, 33883, 34472, 43090, 43720, 67766, 86180, 135532, 151927, 169415, 172360, 271064, 303854, 338830, 607708, 677660, 759635, 1215416, 1355320, 1519270, 3038540, 4709737, 6077080, 9419474, 18838948, 23548685, 37677896, 47097370, 94194740, 188389480]

約数ペア:

[(1, 188389480), (2, 94194740), (4, 47097370), (5, 37677896), (8, 23548685), (10, 18838948), (20, 9419474), (31, 6077080), (40, 4709737), (62, 3038540), (124, 1519270), (139, 1355320), (155, 1215416), (248, 759635), (278, 677660), (310, 607708), (556, 338830), (620, 303854), (695, 271064), (1093, 172360), (1112, 169415), (1240, 151927), (1390, 135532), (2186, 86180), (2780, 67766), (4309, 43720), (4372, 43090), (5465, 34472), (5560, 33883), (8618, 21860), (8744, 21545), (10930, 17236)]