218535880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8191}}^1$

素因数の和:8254

約数の個数: 64

約数和(自身を含む): 530841600

約数和(自身を除く): 312305720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1334, 2668, 3335, 5336, 6670, 8191, 13340, 16382, 26680, 32764, 40955, 65528, 81910, 163820, 188393, 237539, 327640, 376786, 475078, 753572, 941965, 950156, 1187695, 1507144, 1883930, 1900312, 2375390, 3767860, 4750780, 5463397, 7535720, 9501560, 10926794, 21853588, 27316985, 43707176, 54633970, 109267940, 218535880]

約数ペア:

[(1, 218535880), (2, 109267940), (4, 54633970), (5, 43707176), (8, 27316985), (10, 21853588), (20, 10926794), (23, 9501560), (29, 7535720), (40, 5463397), (46, 4750780), (58, 3767860), (92, 2375390), (115, 1900312), (116, 1883930), (145, 1507144), (184, 1187695), (230, 950156), (232, 941965), (290, 753572), (460, 475078), (580, 376786), (667, 327640), (920, 237539), (1160, 188393), (1334, 163820), (2668, 81910), (3335, 65528), (5336, 40955), (6670, 32764), (8191, 26680), (13340, 16382)]