258990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 635040

約数和(自身を除く): 376050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 97, 178, 194, 267, 291, 445, 485, 534, 582, 890, 970, 1335, 1455, 2670, 2910, 8633, 17266, 25899, 43165, 51798, 86330, 129495, 258990]

約数ペア:

[(1, 258990), (2, 129495), (3, 86330), (5, 51798), (6, 43165), (10, 25899), (15, 17266), (30, 8633), (89, 2910), (97, 2670), (178, 1455), (194, 1335), (267, 970), (291, 890), (445, 582), (485, 534)]