220170904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 445098240

約数和(自身を除く): 224927336

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 107, 184, 211, 212, 214, 422, 424, 428, 844, 856, 1219, 1688, 2438, 2461, 4853, 4876, 4922, 5671, 9706, 9752, 9844, 11183, 11342, 19412, 19688, 22366, 22577, 22684, 38824, 44732, 45154, 45368, 89464, 90308, 130433, 180616, 257209, 260866, 514418, 519271, 521732, 1028836, 1038542, 1043464, 1196581, 2057672, 2077084, 2393162, 4154168, 4786324, 9572648, 27521363, 55042726, 110085452, 220170904]

約数ペア:

[(1, 220170904), (2, 110085452), (4, 55042726), (8, 27521363), (23, 9572648), (46, 4786324), (53, 4154168), (92, 2393162), (106, 2077084), (107, 2057672), (184, 1196581), (211, 1043464), (212, 1038542), (214, 1028836), (422, 521732), (424, 519271), (428, 514418), (844, 260866), (856, 257209), (1219, 180616), (1688, 130433), (2438, 90308), (2461, 89464), (4853, 45368), (4876, 45154), (4922, 44732), (5671, 38824), (9706, 22684), (9752, 22577), (9844, 22366), (11183, 19688), (11342, 19412)]