256990793620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16981}}^1\times {\mathrm{68791}}^1$

素因数の和:85792

約数の個数: 48

約数和(自身を含む): 588785774976

約数和(自身を除く): 331794981356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 16981, 33962, 67924, 68791, 84905, 137582, 169810, 186791, 275164, 339620, 343955, 373582, 687910, 747164, 756701, 933955, 1375820, 1513402, 1867910, 3026804, 3735820, 3783505, 7567010, 15134020, 1168139971, 2336279942, 4672559884, 5840699855, 11681399710, 12849539681, 23362799420, 25699079362, 51398158724, 64247698405, 128495396810, 256990793620]

約数ペア:

[(1, 256990793620), (2, 128495396810), (4, 64247698405), (5, 51398158724), (10, 25699079362), (11, 23362799420), (20, 12849539681), (22, 11681399710), (44, 5840699855), (55, 4672559884), (110, 2336279942), (220, 1168139971), (16981, 15134020), (33962, 7567010), (67924, 3783505), (68791, 3735820), (84905, 3026804), (137582, 1867910), (169810, 1513402), (186791, 1375820), (275164, 933955), (339620, 756701), (343955, 747164), (373582, 687910)]