913420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 1940400

約数和(自身を除く): 1026980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 419, 436, 545, 838, 1090, 1676, 2095, 2180, 4190, 8380, 45671, 91342, 182684, 228355, 456710, 913420]

約数ペア:

[(1, 913420), (2, 456710), (4, 228355), (5, 182684), (10, 91342), (20, 45671), (109, 8380), (218, 4190), (419, 2180), (436, 2095), (545, 1676), (838, 1090)]