489001840

素因数分解:

$2^4\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{5827}}^1$

素因数の和:6889

約数の個数: 40

約数和(自身を含む): 1138208400

約数和(自身を除く): 649206560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049, 2098, 4196, 5245, 5827, 8392, 10490, 11654, 16784, 20980, 23308, 29135, 41960, 46616, 58270, 83920, 93232, 116540, 233080, 466160, 6112523, 12225046, 24450092, 30562615, 48900184, 61125230, 97800368, 122250460, 244500920, 489001840]

約数ペア:

[(1, 489001840), (2, 244500920), (4, 122250460), (5, 97800368), (8, 61125230), (10, 48900184), (16, 30562615), (20, 24450092), (40, 12225046), (80, 6112523), (1049, 466160), (2098, 233080), (4196, 116540), (5245, 93232), (5827, 83920), (8392, 58270), (10490, 46616), (11654, 41960), (16784, 29135), (20980, 23308)]