489608720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{322111}}^1$

素因数の和:322143

約数の個数: 40

約数和(自身を含む): 1198256640

約数和(自身を除く): 708647920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 322111, 644222, 1288444, 1610555, 2576888, 3221110, 5153776, 6120109, 6442220, 12240218, 12884440, 24480436, 25768880, 30600545, 48960872, 61201090, 97921744, 122402180, 244804360, 489608720]

約数ペア:

[(1, 489608720), (2, 244804360), (4, 122402180), (5, 97921744), (8, 61201090), (10, 48960872), (16, 30600545), (19, 25768880), (20, 24480436), (38, 12884440), (40, 12240218), (76, 6442220), (80, 6120109), (95, 5153776), (152, 3221110), (190, 2576888), (304, 1610555), (380, 1288444), (760, 644222), (1520, 322111)]