1640270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 3175200

約数和(自身を除く): 1534930

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 97, 178, 190, 194, 445, 485, 890, 970, 1691, 1843, 3382, 3686, 8455, 8633, 9215, 16910, 17266, 18430, 43165, 86330, 164027, 328054, 820135, 1640270]

約数ペア:

[(1, 1640270), (2, 820135), (5, 328054), (10, 164027), (19, 86330), (38, 43165), (89, 18430), (95, 17266), (97, 16910), (178, 9215), (190, 8633), (194, 8455), (445, 3686), (485, 3382), (890, 1843), (970, 1691)]