82500220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 193454352

約数和(自身を除く): 110954132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 121, 146, 220, 242, 292, 365, 467, 484, 605, 730, 803, 934, 1210, 1460, 1606, 1868, 2335, 2420, 3212, 4015, 4670, 5137, 8030, 8833, 9340, 10274, 16060, 17666, 20548, 25685, 34091, 35332, 44165, 51370, 56507, 68182, 88330, 102740, 113014, 136364, 170455, 176660, 226028, 282535, 340910, 375001, 565070, 681820, 750002, 1130140, 1500004, 1875005, 3750010, 4125011, 7500020, 8250022, 16500044, 20625055, 41250110, 82500220]

約数ペア:

[(1, 82500220), (2, 41250110), (4, 20625055), (5, 16500044), (10, 8250022), (11, 7500020), (20, 4125011), (22, 3750010), (44, 1875005), (55, 1500004), (73, 1130140), (110, 750002), (121, 681820), (146, 565070), (220, 375001), (242, 340910), (292, 282535), (365, 226028), (467, 176660), (484, 170455), (605, 136364), (730, 113014), (803, 102740), (934, 88330), (1210, 68182), (1460, 56507), (1606, 51370), (1868, 44165), (2335, 35332), (2420, 34091), (3212, 25685), (4015, 20548), (4670, 17666), (5137, 16060), (8030, 10274), (8833, 9340)]