61021000

素因数分解:

$2^3\times 5^3\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:599

約数の個数: 64

約数和(自身を含む): 144144000

約数和(自身を除く): 83123000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 139, 200, 250, 278, 439, 500, 556, 695, 878, 1000, 1112, 1390, 1756, 2195, 2780, 3475, 3512, 4390, 5560, 6950, 8780, 10975, 13900, 17375, 17560, 21950, 27800, 34750, 43900, 54875, 61021, 69500, 87800, 109750, 122042, 139000, 219500, 244084, 305105, 439000, 488168, 610210, 1220420, 1525525, 2440840, 3051050, 6102100, 7627625, 12204200, 15255250, 30510500, 61021000]

約数ペア:

[(1, 61021000), (2, 30510500), (4, 15255250), (5, 12204200), (8, 7627625), (10, 6102100), (20, 3051050), (25, 2440840), (40, 1525525), (50, 1220420), (100, 610210), (125, 488168), (139, 439000), (200, 305105), (250, 244084), (278, 219500), (439, 139000), (500, 122042), (556, 109750), (695, 87800), (878, 69500), (1000, 61021), (1112, 54875), (1390, 43900), (1756, 34750), (2195, 27800), (2780, 21950), (3475, 17560), (3512, 17375), (4390, 13900), (5560, 10975), (6950, 8780)]