144645460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101863}}^1$

素因数の和:101943

約数の個数: 24

約数和(自身を含む): 308036736

約数和(自身を除く): 163391276

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 101863, 203726, 407452, 509315, 1018630, 2037260, 7232273, 14464546, 28929092, 36161365, 72322730, 144645460]

約数ペア:

[(1, 144645460), (2, 72322730), (4, 36161365), (5, 28929092), (10, 14464546), (20, 7232273), (71, 2037260), (142, 1018630), (284, 509315), (355, 407452), (710, 203726), (1420, 101863)]