79171900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{12979}}^1$

素因数の和:13054

約数の個数: 36

約数和(自身を含む): 174632920

約数和(自身を除く): 95461020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 12979, 25958, 51916, 64895, 129790, 259580, 324475, 648950, 791719, 1297900, 1583438, 3166876, 3958595, 7917190, 15834380, 19792975, 39585950, 79171900]

約数ペア:

[(1, 79171900), (2, 39585950), (4, 19792975), (5, 15834380), (10, 7917190), (20, 3958595), (25, 3166876), (50, 1583438), (61, 1297900), (100, 791719), (122, 648950), (244, 324475), (305, 259580), (610, 129790), (1220, 64895), (1525, 51916), (3050, 25958), (6100, 12979)]