2018293975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 2742681600

約数和(自身を除く): 724387625

約数列:

[1, 5, 17, 25, 47, 79, 85, 235, 395, 425, 799, 1175, 1279, 1343, 1975, 3713, 3995, 6395, 6715, 18565, 19975, 21743, 31975, 33575, 60113, 63121, 92825, 101041, 108715, 300565, 315605, 505205, 543575, 1021921, 1502825, 1578025, 1717697, 2526025, 4748927, 5109605, 8588485, 23744635, 25548025, 42942425, 80731759, 118723175, 403658795, 2018293975]

約数ペア:

[(1, 2018293975), (5, 403658795), (17, 118723175), (25, 80731759), (47, 42942425), (79, 25548025), (85, 23744635), (235, 8588485), (395, 5109605), (425, 4748927), (799, 2526025), (1175, 1717697), (1279, 1578025), (1343, 1502825), (1975, 1021921), (3713, 543575), (3995, 505205), (6395, 315605), (6715, 300565), (18565, 108715), (19975, 101041), (21743, 92825), (31975, 63121), (33575, 60113)]