247913420

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{13007}}^1$

素因数の和:13969

約数の個数: 24

約数和(自身を含む): 521204544

約数和(自身を除く): 273291124

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4765, 9530, 13007, 19060, 26014, 52028, 65035, 130070, 260140, 12395671, 24791342, 49582684, 61978355, 123956710, 247913420]

約数ペア:

[(1, 247913420), (2, 123956710), (4, 61978355), (5, 49582684), (10, 24791342), (20, 12395671), (953, 260140), (1906, 130070), (3812, 65035), (4765, 52028), (9530, 26014), (13007, 19060)]