2017870850

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{17881}}^1$

素因数の和:17991

約数の個数: 48

約数和(自身を含む): 3918089256

約数和(自身を除く): 1900218406

約数列:

[1, 2, 5, 10, 25, 37, 50, 61, 74, 122, 185, 305, 370, 610, 925, 1525, 1850, 2257, 3050, 4514, 11285, 17881, 22570, 35762, 56425, 89405, 112850, 178810, 447025, 661597, 894050, 1090741, 1323194, 2181482, 3307985, 5453705, 6615970, 10907410, 16539925, 27268525, 33079850, 40357417, 54537050, 80714834, 201787085, 403574170, 1008935425, 2017870850]

約数ペア:

[(1, 2017870850), (2, 1008935425), (5, 403574170), (10, 201787085), (25, 80714834), (37, 54537050), (50, 40357417), (61, 33079850), (74, 27268525), (122, 16539925), (185, 10907410), (305, 6615970), (370, 5453705), (610, 3307985), (925, 2181482), (1525, 1323194), (1850, 1090741), (2257, 894050), (3050, 661597), (4514, 447025), (11285, 178810), (17881, 112850), (22570, 89405), (35762, 56425)]