4238900

素因数分解:

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

素因数の和:153

約数の個数: 72

約数和(自身を含む): 10207680

約数和(自身を除く): 5968780

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 97, 100, 115, 190, 194, 230, 380, 388, 437, 460, 475, 485, 575, 874, 950, 970, 1150, 1748, 1843, 1900, 1940, 2185, 2231, 2300, 2425, 3686, 4370, 4462, 4850, 7372, 8740, 8924, 9215, 9700, 10925, 11155, 18430, 21850, 22310, 36860, 42389, 43700, 44620, 46075, 55775, 84778, 92150, 111550, 169556, 184300, 211945, 223100, 423890, 847780, 1059725, 2119450, 4238900]

約数ペア:

[(1, 4238900), (2, 2119450), (4, 1059725), (5, 847780), (10, 423890), (19, 223100), (20, 211945), (23, 184300), (25, 169556), (38, 111550), (46, 92150), (50, 84778), (76, 55775), (92, 46075), (95, 44620), (97, 43700), (100, 42389), (115, 36860), (190, 22310), (194, 21850), (230, 18430), (380, 11155), (388, 10925), (437, 9700), (460, 9215), (475, 8924), (485, 8740), (575, 7372), (874, 4850), (950, 4462), (970, 4370), (1150, 3686), (1748, 2425), (1843, 2300), (1900, 2231), (1940, 2185)]