379420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 812448

約数和(自身を除く): 433028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 311, 610, 622, 1220, 1244, 1555, 3110, 6220, 18971, 37942, 75884, 94855, 189710, 379420]

約数ペア:

[(1, 379420), (2, 189710), (4, 94855), (5, 75884), (10, 37942), (20, 18971), (61, 6220), (122, 3110), (244, 1555), (305, 1244), (311, 1220), (610, 622)]