977987660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{3947}}^1$

素因数の和:4922

約数の個数: 48

約数和(自身を含む): 2214638496

約数和(自身を除く): 1236650836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 953, 1906, 3812, 3947, 4765, 7894, 9530, 12389, 15788, 19060, 19735, 24778, 39470, 49556, 51311, 61945, 78940, 102622, 123890, 205244, 247780, 256555, 513110, 1026220, 3761491, 7522982, 15045964, 18807455, 37614910, 48899383, 75229820, 97798766, 195597532, 244496915, 488993830, 977987660]

約数ペア:

[(1, 977987660), (2, 488993830), (4, 244496915), (5, 195597532), (10, 97798766), (13, 75229820), (20, 48899383), (26, 37614910), (52, 18807455), (65, 15045964), (130, 7522982), (260, 3761491), (953, 1026220), (1906, 513110), (3812, 256555), (3947, 247780), (4765, 205244), (7894, 123890), (9530, 102622), (12389, 78940), (15788, 61945), (19060, 51311), (19735, 49556), (24778, 39470)]