971269360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{638993}}^1$

素因数の和:639025

約数の個数: 40

約数和(自身を含む): 2377057680

約数和(自身を除く): 1405788320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 638993, 1277986, 2555972, 3194965, 5111944, 6389930, 10223888, 12140867, 12779860, 24281734, 25559720, 48563468, 51119440, 60704335, 97126936, 121408670, 194253872, 242817340, 485634680, 971269360]

約数ペア:

[(1, 971269360), (2, 485634680), (4, 242817340), (5, 194253872), (8, 121408670), (10, 97126936), (16, 60704335), (19, 51119440), (20, 48563468), (38, 25559720), (40, 24281734), (76, 12779860), (80, 12140867), (95, 10223888), (152, 6389930), (190, 5111944), (304, 3194965), (380, 2555972), (760, 1277986), (1520, 638993)]