2019945740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{45887}}^1$

素因数の和:45998

約数の個数: 48

約数和(自身を含む): 4440489984

約数和(自身を除く): 2420544244

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 22010, 44020, 45887, 91774, 183548, 229435, 458870, 917740, 1422497, 2844994, 3257977, 5689988, 6515954, 7112485, 13031908, 14224970, 16289885, 28449940, 32579770, 65159540, 100997287, 201994574, 403989148, 504986435, 1009972870, 2019945740]

約数ペア:

[(1, 2019945740), (2, 1009972870), (4, 504986435), (5, 403989148), (10, 201994574), (20, 100997287), (31, 65159540), (62, 32579770), (71, 28449940), (124, 16289885), (142, 14224970), (155, 13031908), (284, 7112485), (310, 6515954), (355, 5689988), (620, 3257977), (710, 2844994), (1420, 1422497), (2201, 917740), (4402, 458870), (8804, 229435), (11005, 183548), (22010, 91774), (44020, 45887)]