356420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 762048

約数和(自身を除く): 405628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 251, 284, 355, 502, 710, 1004, 1255, 1420, 2510, 5020, 17821, 35642, 71284, 89105, 178210, 356420]

約数ペア:

[(1, 356420), (2, 178210), (4, 89105), (5, 71284), (10, 35642), (20, 17821), (71, 5020), (142, 2510), (251, 1420), (284, 1255), (355, 1004), (502, 710)]