1387804810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{49939}}^1$

素因数の和:50350

約数の個数: 32

約数和(自身を含む): 2862161280

約数和(自身を除く): 1474356470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 13895, 27790, 49939, 99878, 249695, 349573, 499390, 699146, 1747865, 3495730, 19825783, 39651566, 99128915, 138780481, 198257830, 277560962, 693902405, 1387804810]

約数ペア:

[(1, 1387804810), (2, 693902405), (5, 277560962), (7, 198257830), (10, 138780481), (14, 99128915), (35, 39651566), (70, 19825783), (397, 3495730), (794, 1747865), (1985, 699146), (2779, 499390), (3970, 349573), (5558, 249695), (13895, 99878), (27790, 49939)]