77479720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1051}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 185572800

約数和(自身を除く): 108093080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1051, 1843, 1940, 2102, 3686, 3880, 4204, 5255, 7372, 8408, 9215, 10510, 14744, 18430, 19969, 21020, 36860, 39938, 42040, 73720, 79876, 99845, 101947, 159752, 199690, 203894, 399380, 407788, 509735, 798760, 815576, 1019470, 1936993, 2038940, 3873986, 4077880, 7747972, 9684965, 15495944, 19369930, 38739860, 77479720]

約数ペア:

[(1, 77479720), (2, 38739860), (4, 19369930), (5, 15495944), (8, 9684965), (10, 7747972), (19, 4077880), (20, 3873986), (38, 2038940), (40, 1936993), (76, 1019470), (95, 815576), (97, 798760), (152, 509735), (190, 407788), (194, 399380), (380, 203894), (388, 199690), (485, 159752), (760, 101947), (776, 99845), (970, 79876), (1051, 73720), (1843, 42040), (1940, 39938), (2102, 36860), (3686, 21020), (3880, 19969), (4204, 18430), (5255, 14744), (7372, 10510), (8408, 9215)]