289489730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{4679}}^1$

素因数の和:4978

約数の個数: 32

約数和(自身を含む): 545875200

約数和(自身を除く): 256385470

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 269, 538, 1345, 2690, 4679, 6187, 9358, 12374, 23395, 30935, 46790, 61870, 107617, 215234, 538085, 1076170, 1258651, 2517302, 6293255, 12586510, 28948973, 57897946, 144744865, 289489730]

約数ペア:

[(1, 289489730), (2, 144744865), (5, 57897946), (10, 28948973), (23, 12586510), (46, 6293255), (115, 2517302), (230, 1258651), (269, 1076170), (538, 538085), (1345, 215234), (2690, 107617), (4679, 61870), (6187, 46790), (9358, 30935), (12374, 23395)]