67080020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{68449}}^1$

素因数の和:68472

約数の個数: 36

約数和(自身を含む): 163869300

約数和(自身を除く): 96789280

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 68449, 136898, 273796, 342245, 479143, 684490, 958286, 1368980, 1916572, 2395715, 3354001, 4791430, 6708002, 9582860, 13416004, 16770005, 33540010, 67080020]

約数ペア:

[(1, 67080020), (2, 33540010), (4, 16770005), (5, 13416004), (7, 9582860), (10, 6708002), (14, 4791430), (20, 3354001), (28, 2395715), (35, 1916572), (49, 1368980), (70, 958286), (98, 684490), (140, 479143), (196, 342245), (245, 273796), (490, 136898), (980, 68449)]