3870420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 10922688

約数和(自身を除く): 7052268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 257, 502, 514, 753, 771, 1004, 1028, 1255, 1285, 1506, 1542, 2510, 2570, 3012, 3084, 3765, 3855, 5020, 5140, 7530, 7710, 15060, 15420, 64507, 129014, 193521, 258028, 322535, 387042, 645070, 774084, 967605, 1290140, 1935210, 3870420]

約数ペア:

[(1, 3870420), (2, 1935210), (3, 1290140), (4, 967605), (5, 774084), (6, 645070), (10, 387042), (12, 322535), (15, 258028), (20, 193521), (30, 129014), (60, 64507), (251, 15420), (257, 15060), (502, 7710), (514, 7530), (753, 5140), (771, 5020), (1004, 3855), (1028, 3765), (1255, 3084), (1285, 3012), (1506, 2570), (1542, 2510)]