207924920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10459}}^1$

素因数の和:10548

約数の個数: 64

約数和(自身を含む): 542246400

約数和(自身を除く): 334321480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 10459, 19880, 20918, 41836, 52295, 73213, 83672, 104590, 146426, 209180, 292852, 366065, 418360, 585704, 732130, 742589, 1464260, 1485178, 2928520, 2970356, 3712945, 5198123, 5940712, 7425890, 10396246, 14851780, 20792492, 25990615, 29703560, 41584984, 51981230, 103962460, 207924920]

約数ペア:

[(1, 207924920), (2, 103962460), (4, 51981230), (5, 41584984), (7, 29703560), (8, 25990615), (10, 20792492), (14, 14851780), (20, 10396246), (28, 7425890), (35, 5940712), (40, 5198123), (56, 3712945), (70, 2970356), (71, 2928520), (140, 1485178), (142, 1464260), (280, 742589), (284, 732130), (355, 585704), (497, 418360), (568, 366065), (710, 292852), (994, 209180), (1420, 146426), (1988, 104590), (2485, 83672), (2840, 73213), (3976, 52295), (4970, 41836), (9940, 20918), (10459, 19880)]