168683020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{18701}}^1$

素因数の和:18762

約数の個数: 48

約数和(自身を含む): 395883936

約数和(自身を除く): 227200916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 18701, 37402, 74804, 93505, 187010, 205711, 374020, 411422, 766741, 822844, 1028555, 1533482, 2057110, 3066964, 3833705, 4114220, 7667410, 8434151, 15334820, 16868302, 33736604, 42170755, 84341510, 168683020]

約数ペア:

[(1, 168683020), (2, 84341510), (4, 42170755), (5, 33736604), (10, 16868302), (11, 15334820), (20, 8434151), (22, 7667410), (41, 4114220), (44, 3833705), (55, 3066964), (82, 2057110), (110, 1533482), (164, 1028555), (205, 822844), (220, 766741), (410, 411422), (451, 374020), (820, 205711), (902, 187010), (1804, 93505), (2255, 74804), (4510, 37402), (9020, 18701)]