2009292040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1025149}}^1$

素因数の和:1025174

約数の個数: 48

約数和(自身を含む): 5259019500

約数和(自身を除く): 3249727460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1025149, 2050298, 4100596, 5125745, 7176043, 8201192, 10251490, 14352086, 20502980, 28704172, 35880215, 41005960, 50232301, 57408344, 71760430, 100464602, 143520860, 200929204, 251161505, 287041720, 401858408, 502323010, 1004646020, 2009292040]

約数ペア:

[(1, 2009292040), (2, 1004646020), (4, 502323010), (5, 401858408), (7, 287041720), (8, 251161505), (10, 200929204), (14, 143520860), (20, 100464602), (28, 71760430), (35, 57408344), (40, 50232301), (49, 41005960), (56, 35880215), (70, 28704172), (98, 20502980), (140, 14352086), (196, 10251490), (245, 8201192), (280, 7176043), (392, 5125745), (490, 4100596), (980, 2050298), (1960, 1025149)]