380411420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{404693}}^1$

素因数の和:404749

約数の個数: 24

約数和(自身を含む): 815863104

約数和(自身を除く): 435451684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 404693, 809386, 1618772, 2023465, 4046930, 8093860, 19020571, 38041142, 76082284, 95102855, 190205710, 380411420]

約数ペア:

[(1, 380411420), (2, 190205710), (4, 95102855), (5, 76082284), (10, 38041142), (20, 19020571), (47, 8093860), (94, 4046930), (188, 2023465), (235, 1618772), (470, 809386), (940, 404693)]