778828070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{72047}}^1$

素因数の和:72124

約数の個数: 32

約数和(自身を含む): 1493987328

約数和(自身を除く): 715159258

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 10810, 72047, 144094, 360235, 720470, 1657081, 3314162, 3386209, 6772418, 8285405, 16570810, 16931045, 33862090, 77882807, 155765614, 389414035, 778828070]

約数ペア:

[(1, 778828070), (2, 389414035), (5, 155765614), (10, 77882807), (23, 33862090), (46, 16931045), (47, 16570810), (94, 8285405), (115, 6772418), (230, 3386209), (235, 3314162), (470, 1657081), (1081, 720470), (2162, 360235), (5405, 144094), (10810, 72047)]