2178490210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2203

約数の個数: 64

約数和(自身を含む): 4318272000

約数和(自身を除く): 2139781790

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 101, 130, 166, 202, 415, 505, 830, 1010, 1079, 1313, 1999, 2158, 2626, 3998, 5395, 6565, 8383, 9995, 10790, 13130, 16766, 19990, 25987, 41915, 51974, 83830, 108979, 129935, 165917, 201899, 217958, 259870, 331834, 403798, 544895, 829585, 1009495, 1089790, 1659170, 2018990, 2156921, 2624687, 4313842, 5249374, 10784605, 13123435, 16757617, 21569210, 26246870, 33515234, 83788085, 167576170, 217849021, 435698042, 1089245105, 2178490210]

約数ペア:

[(1, 2178490210), (2, 1089245105), (5, 435698042), (10, 217849021), (13, 167576170), (26, 83788085), (65, 33515234), (83, 26246870), (101, 21569210), (130, 16757617), (166, 13123435), (202, 10784605), (415, 5249374), (505, 4313842), (830, 2624687), (1010, 2156921), (1079, 2018990), (1313, 1659170), (1999, 1089790), (2158, 1009495), (2626, 829585), (3998, 544895), (5395, 403798), (6565, 331834), (8383, 259870), (9995, 217958), (10790, 201899), (13130, 165917), (16766, 129935), (19990, 108979), (25987, 83830), (41915, 51974)]