204680920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269317}}^1$

素因数の和:269347

約数の個数: 32

約数和(自身を含む): 484772400

約数和(自身を除く): 280091480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 269317, 538634, 1077268, 1346585, 2154536, 2693170, 5117023, 5386340, 10234046, 10772680, 20468092, 25585115, 40936184, 51170230, 102340460, 204680920]

約数ペア:

[(1, 204680920), (2, 102340460), (4, 51170230), (5, 40936184), (8, 25585115), (10, 20468092), (19, 10772680), (20, 10234046), (38, 5386340), (40, 5117023), (76, 2693170), (95, 2154536), (152, 1346585), (190, 1077268), (380, 538634), (760, 269317)]