288475990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{14489}}^1$

素因数の和:14688

約数の個数: 32

約数和(自身を含む): 569630880

約数和(自身を除く): 281154890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 14489, 19910, 28978, 72445, 144890, 159379, 318758, 796895, 1593790, 2622509, 5245018, 13112545, 26225090, 28847599, 57695198, 144237995, 288475990]

約数ペア:

[(1, 288475990), (2, 144237995), (5, 57695198), (10, 28847599), (11, 26225090), (22, 13112545), (55, 5245018), (110, 2622509), (181, 1593790), (362, 796895), (905, 318758), (1810, 159379), (1991, 144890), (3982, 72445), (9955, 28978), (14489, 19910)]