2117930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 4095360

約数和(自身を除く): 1977430

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 157, 190, 314, 355, 710, 785, 1349, 1570, 2698, 2983, 5966, 6745, 11147, 13490, 14915, 22294, 29830, 55735, 111470, 211793, 423586, 1058965, 2117930]

約数ペア:

[(1, 2117930), (2, 1058965), (5, 423586), (10, 211793), (19, 111470), (38, 55735), (71, 29830), (95, 22294), (142, 14915), (157, 13490), (190, 11147), (314, 6745), (355, 5966), (710, 2983), (785, 2698), (1349, 1570)]