921972760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{175949}}^1$

素因数の和:176091

約数の個数: 32

約数和(自身を含む): 2090286000

約数和(自身を除く): 1168313240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 175949, 351898, 703796, 879745, 1407592, 1759490, 3518980, 7037960, 23049319, 46098638, 92197276, 115246595, 184394552, 230493190, 460986380, 921972760]

約数ペア:

[(1, 921972760), (2, 460986380), (4, 230493190), (5, 184394552), (8, 115246595), (10, 92197276), (20, 46098638), (40, 23049319), (131, 7037960), (262, 3518980), (524, 1759490), (655, 1407592), (1048, 879745), (1310, 703796), (2620, 351898), (5240, 175949)]