84746140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{199}}^2$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 180537336

約数和(自身を除く): 95791196

約数列:

[1, 2, 4, 5, 10, 20, 107, 199, 214, 398, 428, 535, 796, 995, 1070, 1990, 2140, 3980, 21293, 39601, 42586, 79202, 85172, 106465, 158404, 198005, 212930, 396010, 425860, 792020, 4237307, 8474614, 16949228, 21186535, 42373070, 84746140]

約数ペア:

[(1, 84746140), (2, 42373070), (4, 21186535), (5, 16949228), (10, 8474614), (20, 4237307), (107, 792020), (199, 425860), (214, 396010), (398, 212930), (428, 198005), (535, 158404), (796, 106465), (995, 85172), (1070, 79202), (1990, 42586), (2140, 39601), (3980, 21293)]