7274420

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 15327144

約数和(自身を除く): 8052724

約数列:

[1, 2, 4, 5, 10, 20, 557, 653, 1114, 1306, 2228, 2612, 2785, 3265, 5570, 6530, 11140, 13060, 363721, 727442, 1454884, 1818605, 3637210, 7274420]

約数ペア:

[(1, 7274420), (2, 3637210), (4, 1818605), (5, 1454884), (10, 727442), (20, 363721), (557, 13060), (653, 11140), (1114, 6530), (1306, 5570), (2228, 3265), (2612, 2785)]