987401.00000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 39207168

約数和(自身を除く): 22966748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 373, 622, 746, 1244, 1492, 1555, 1865, 2177, 2611, 3110, 3730, 4354, 5222, 6220, 7460, 8708, 10444, 10885, 13055, 21770, 26110, 43540, 52220, 116003, 232006, 464012, 580015, 812021, 1160030, 1624042, 2320060, 3248084, 4060105, 8120210, 16240420]

約数ペア:

[(1, 16240420), (2, 8120210), (4, 4060105), (5, 3248084), (7, 2320060), (10, 1624042), (14, 1160030), (20, 812021), (28, 580015), (35, 464012), (70, 232006), (140, 116003), (311, 52220), (373, 43540), (622, 26110), (746, 21770), (1244, 13055), (1492, 10885), (1555, 10444), (1865, 8708), (2177, 7460), (2611, 6220), (3110, 5222), (3730, 4354)]