304507520

素因数分解:

$2^7\times 5^1\times {\mathrm{475793}}^1$

素因数の和:475812

約数の個数: 32

約数和(自身を含む): 727964820

約数和(自身を除く): 423457300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 475793, 951586, 1903172, 2378965, 3806344, 4757930, 7612688, 9515860, 15225376, 19031720, 30450752, 38063440, 60901504, 76126880, 152253760, 304507520]

約数ペア:

[(1, 304507520), (2, 152253760), (4, 76126880), (5, 60901504), (8, 38063440), (10, 30450752), (16, 19031720), (20, 15225376), (32, 9515860), (40, 7612688), (64, 4757930), (80, 3806344), (128, 2378965), (160, 1903172), (320, 951586), (640, 475793)]