28557380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 63598080

約数和(自身を除く): 35040700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 337, 380, 446, 674, 892, 1115, 1348, 1685, 2230, 3370, 4237, 4460, 6403, 6740, 8474, 12806, 16948, 21185, 25612, 32015, 42370, 64030, 75151, 84740, 128060, 150302, 300604, 375755, 751510, 1427869, 1503020, 2855738, 5711476, 7139345, 14278690, 28557380]

約数ペア:

[(1, 28557380), (2, 14278690), (4, 7139345), (5, 5711476), (10, 2855738), (19, 1503020), (20, 1427869), (38, 751510), (76, 375755), (95, 300604), (190, 150302), (223, 128060), (337, 84740), (380, 75151), (446, 64030), (674, 42370), (892, 32015), (1115, 25612), (1348, 21185), (1685, 16948), (2230, 12806), (3370, 8474), (4237, 6740), (4460, 6403)]