847780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 1975680

約数和(自身を除く): 1127900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 97, 115, 190, 194, 230, 380, 388, 437, 460, 485, 874, 970, 1748, 1843, 1940, 2185, 2231, 3686, 4370, 4462, 7372, 8740, 8924, 9215, 11155, 18430, 22310, 36860, 42389, 44620, 84778, 169556, 211945, 423890, 847780]

約数ペア:

[(1, 847780), (2, 423890), (4, 211945), (5, 169556), (10, 84778), (19, 44620), (20, 42389), (23, 36860), (38, 22310), (46, 18430), (76, 11155), (92, 9215), (95, 8924), (97, 8740), (115, 7372), (190, 4462), (194, 4370), (230, 3686), (380, 2231), (388, 2185), (437, 1940), (460, 1843), (485, 1748), (874, 970)]