1907080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 5040000

約数和(自身を除く): 3132920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 278, 280, 343, 392, 490, 556, 686, 695, 973, 980, 1112, 1372, 1390, 1715, 1946, 1960, 2744, 2780, 3430, 3892, 4865, 5560, 6811, 6860, 7784, 9730, 13622, 13720, 19460, 27244, 34055, 38920, 47677, 54488, 68110, 95354, 136220, 190708, 238385, 272440, 381416, 476770, 953540, 1907080]

約数ペア:

[(1, 1907080), (2, 953540), (4, 476770), (5, 381416), (7, 272440), (8, 238385), (10, 190708), (14, 136220), (20, 95354), (28, 68110), (35, 54488), (40, 47677), (49, 38920), (56, 34055), (70, 27244), (98, 19460), (139, 13720), (140, 13622), (196, 9730), (245, 7784), (278, 6860), (280, 6811), (343, 5560), (392, 4865), (490, 3892), (556, 3430), (686, 2780), (695, 2744), (973, 1960), (980, 1946), (1112, 1715), (1372, 1390)]