1900143560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{969461}}^1$

素因数の和:969486

約数の個数: 48

約数和(自身を含む): 4973340060

約数和(自身を除く): 3073196500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 969461, 1938922, 3877844, 4847305, 6786227, 7755688, 9694610, 13572454, 19389220, 27144908, 33931135, 38778440, 47503589, 54289816, 67862270, 95007178, 135724540, 190014356, 237517945, 271449080, 380028712, 475035890, 950071780, 1900143560]

約数ペア:

[(1, 1900143560), (2, 950071780), (4, 475035890), (5, 380028712), (7, 271449080), (8, 237517945), (10, 190014356), (14, 135724540), (20, 95007178), (28, 67862270), (35, 54289816), (40, 47503589), (49, 38778440), (56, 33931135), (70, 27144908), (98, 19389220), (140, 13572454), (196, 9694610), (245, 7755688), (280, 6786227), (392, 4847305), (490, 3877844), (980, 1938922), (1960, 969461)]