8219820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19571}}^1$

素因数の和:19590

約数の個数: 48

約数和(自身を含む): 26304768

約数和(自身を除く): 18084948

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, 19571, 39142, 58713, 78284, 97855, 117426, 136997, 195710, 234852, 273994, 293565, 391420, 410991, 547988, 587130, 684985, 821982, 1174260, 1369970, 1643964, 2054955, 2739940, 4109910, 8219820]

約数ペア:

[(1, 8219820), (2, 4109910), (3, 2739940), (4, 2054955), (5, 1643964), (6, 1369970), (7, 1174260), (10, 821982), (12, 684985), (14, 587130), (15, 547988), (20, 410991), (21, 391420), (28, 293565), (30, 273994), (35, 234852), (42, 195710), (60, 136997), (70, 117426), (84, 97855), (105, 78284), (140, 58713), (210, 39142), (420, 19571)]