489605075

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 619752000

約数和(自身を除く): 130146925

約数列:

[1, 5, 25, 97, 101, 485, 505, 1999, 2425, 2525, 9797, 9995, 48985, 49975, 193903, 201899, 244925, 969515, 1009495, 4847575, 5047475, 19584203, 97921015, 489605075]

約数ペア:

[(1, 489605075), (5, 97921015), (25, 19584203), (97, 5047475), (101, 4847575), (485, 1009495), (505, 969515), (1999, 244925), (2425, 201899), (2525, 193903), (9797, 49975), (9995, 48985)]