71780590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 151142112

約数和(自身を除く): 79361522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 263, 490, 526, 557, 1114, 1315, 1841, 2630, 2785, 3682, 3899, 5570, 7798, 9205, 12887, 18410, 19495, 25774, 27293, 38990, 54586, 64435, 128870, 136465, 146491, 272930, 292982, 732455, 1025437, 1464910, 2050874, 5127185, 7178059, 10254370, 14356118, 35890295, 71780590]

約数ペア:

[(1, 71780590), (2, 35890295), (5, 14356118), (7, 10254370), (10, 7178059), (14, 5127185), (35, 2050874), (49, 1464910), (70, 1025437), (98, 732455), (245, 292982), (263, 272930), (490, 146491), (526, 136465), (557, 128870), (1114, 64435), (1315, 54586), (1841, 38990), (2630, 27293), (2785, 25774), (3682, 19495), (3899, 18410), (5570, 12887), (7798, 9205)]