219490075

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40459}}^1$

素因数の和:40507

約数の個数: 24

約数和(自身を含む): 321090560

約数和(自身を除く): 101600485

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 40459, 202295, 283213, 1011475, 1254229, 1416065, 6271145, 7080325, 8779603, 31355725, 43898015, 219490075]

約数ペア:

[(1, 219490075), (5, 43898015), (7, 31355725), (25, 8779603), (31, 7080325), (35, 6271145), (155, 1416065), (175, 1254229), (217, 1011475), (775, 283213), (1085, 202295), (5425, 40459)]