191583140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{195493}}^1$

素因数の和:195516

約数の個数: 36

約数和(自身を含む): 468012636

約数和(自身を除く): 276429496

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 195493, 390986, 781972, 977465, 1368451, 1954930, 2736902, 3909860, 5473804, 6842255, 9579157, 13684510, 19158314, 27369020, 38316628, 47895785, 95791570, 191583140]

約数ペア:

[(1, 191583140), (2, 95791570), (4, 47895785), (5, 38316628), (7, 27369020), (10, 19158314), (14, 13684510), (20, 9579157), (28, 6842255), (35, 5473804), (49, 3909860), (70, 2736902), (98, 1954930), (140, 1368451), (196, 977465), (245, 781972), (490, 390986), (980, 195493)]