210860920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{26759}}^1$

素因数の和:26967

約数の個数: 32

約数和(自身を含む): 476863200

約数和(自身を除く): 266002280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 26759, 53518, 107036, 133795, 214072, 267590, 535180, 1070360, 5271523, 10543046, 21086092, 26357615, 42172184, 52715230, 105430460, 210860920]

約数ペア:

[(1, 210860920), (2, 105430460), (4, 52715230), (5, 42172184), (8, 26357615), (10, 21086092), (20, 10543046), (40, 5271523), (197, 1070360), (394, 535180), (788, 267590), (985, 214072), (1576, 133795), (1970, 107036), (3940, 53518), (7880, 26759)]