29051780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34452220

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 499, 710, 820, 998, 1420, 1996, 2495, 2911, 4990, 5822, 9980, 11644, 14555, 20459, 29110, 35429, 40918, 58220, 70858, 81836, 102295, 141716, 177145, 204590, 354290, 409180, 708580, 1452589, 2905178, 5810356, 7262945, 14525890, 29051780]

約数ペア:

[(1, 29051780), (2, 14525890), (4, 7262945), (5, 5810356), (10, 2905178), (20, 1452589), (41, 708580), (71, 409180), (82, 354290), (142, 204590), (164, 177145), (205, 141716), (284, 102295), (355, 81836), (410, 70858), (499, 58220), (710, 40918), (820, 35429), (998, 29110), (1420, 20459), (1996, 14555), (2495, 11644), (2911, 9980), (4990, 5822)]