386219820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{919571}}^1$

素因数の和:919590

約数の個数: 48

約数和(自身を含む): 1235904768

約数和(自身を除く): 849684948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 919571, 1839142, 2758713, 3678284, 4597855, 5517426, 6436997, 9195710, 11034852, 12873994, 13793565, 18391420, 19310991, 25747988, 27587130, 32184985, 38621982, 55174260, 64369970, 77243964, 96554955, 128739940, 193109910, 386219820]

約数ペア:

[(1, 386219820), (2, 193109910), (3, 128739940), (4, 96554955), (5, 77243964), (6, 64369970), (7, 55174260), (10, 38621982), (12, 32184985), (14, 27587130), (15, 25747988), (20, 19310991), (21, 18391420), (28, 13793565), (30, 12873994), (35, 11034852), (42, 9195710), (60, 6436997), (70, 5517426), (84, 4597855), (105, 3678284), (140, 2758713), (210, 1839142), (420, 919571)]