204400385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{811}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 296217600

約数和(自身を除く): 91817215

約数列:

[1, 5, 7, 19, 35, 95, 133, 379, 665, 811, 1895, 2653, 4055, 5677, 7201, 13265, 15409, 28385, 36005, 50407, 77045, 107863, 252035, 307369, 539315, 1536845, 2151583, 5840011, 10757915, 29200055, 40880077, 204400385]

約数ペア:

[(1, 204400385), (5, 40880077), (7, 29200055), (19, 10757915), (35, 5840011), (95, 2151583), (133, 1536845), (379, 539315), (665, 307369), (811, 252035), (1895, 107863), (2653, 77045), (4055, 50407), (5677, 36005), (7201, 28385), (13265, 15409)]