131800020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199697}}^1$

素因数の和:199720

約数の個数: 48

約数和(自身を含む): 402591168

約数和(自身を除く): 270791148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 199697, 399394, 599091, 798788, 998485, 1198182, 1996970, 2196667, 2396364, 2995455, 3993940, 4393334, 5990910, 6590001, 8786668, 10983335, 11981820, 13180002, 21966670, 26360004, 32950005, 43933340, 65900010, 131800020]

約数ペア:

[(1, 131800020), (2, 65900010), (3, 43933340), (4, 32950005), (5, 26360004), (6, 21966670), (10, 13180002), (11, 11981820), (12, 10983335), (15, 8786668), (20, 6590001), (22, 5990910), (30, 4393334), (33, 3993940), (44, 2995455), (55, 2396364), (60, 2196667), (66, 1996970), (110, 1198182), (132, 998485), (165, 798788), (220, 599091), (330, 399394), (660, 199697)]