194728720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{128111}}^1$

素因数の和:128143

約数の個数: 40

約数和(自身を含む): 476576640

約数和(自身を除く): 281847920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 128111, 256222, 512444, 640555, 1024888, 1281110, 2049776, 2434109, 2562220, 4868218, 5124440, 9736436, 10248880, 12170545, 19472872, 24341090, 38945744, 48682180, 97364360, 194728720]

約数ペア:

[(1, 194728720), (2, 97364360), (4, 48682180), (5, 38945744), (8, 24341090), (10, 19472872), (16, 12170545), (19, 10248880), (20, 9736436), (38, 5124440), (40, 4868218), (76, 2562220), (80, 2434109), (95, 2049776), (152, 1281110), (190, 1024888), (304, 640555), (380, 512444), (760, 256222), (1520, 128111)]