388636420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{413443}}^1$

素因数の和:413499

約数の個数: 24

約数和(自身を含む): 833503104

約数和(自身を除く): 444866684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 413443, 826886, 1653772, 2067215, 4134430, 8268860, 19431821, 38863642, 77727284, 97159105, 194318210, 388636420]

約数ペア:

[(1, 388636420), (2, 194318210), (4, 97159105), (5, 77727284), (10, 38863642), (20, 19431821), (47, 8268860), (94, 4134430), (188, 2067215), (235, 1653772), (470, 826886), (940, 413443)]