211255960

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{29179}}^1$

素因数の和:29371

約数の個数: 32

約数和(自身を含む): 477968400

約数和(自身を除く): 266712440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 29179, 58358, 116716, 145895, 233432, 291790, 583580, 1167160, 5281399, 10562798, 21125596, 26406995, 42251192, 52813990, 105627980, 211255960]

約数ペア:

[(1, 211255960), (2, 105627980), (4, 52813990), (5, 42251192), (8, 26406995), (10, 21125596), (20, 10562798), (40, 5281399), (181, 1167160), (362, 583580), (724, 291790), (905, 233432), (1448, 145895), (1810, 116716), (3620, 58358), (7240, 29179)]