2017759720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{4129}}^1$

素因数の和:4802

約数の個数: 64

約数和(自身を含む): 4787496000

約数和(自身を除く): 2769736280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 643, 760, 1286, 2572, 3215, 4129, 5144, 6430, 8258, 12217, 12860, 16516, 20645, 24434, 25720, 33032, 41290, 48868, 61085, 78451, 82580, 97736, 122170, 156902, 165160, 244340, 313804, 392255, 488680, 627608, 784510, 1569020, 2654947, 3138040, 5309894, 10619788, 13274735, 21239576, 26549470, 50443993, 53098940, 100887986, 106197880, 201775972, 252219965, 403551944, 504439930, 1008879860, 2017759720]

約数ペア:

[(1, 2017759720), (2, 1008879860), (4, 504439930), (5, 403551944), (8, 252219965), (10, 201775972), (19, 106197880), (20, 100887986), (38, 53098940), (40, 50443993), (76, 26549470), (95, 21239576), (152, 13274735), (190, 10619788), (380, 5309894), (643, 3138040), (760, 2654947), (1286, 1569020), (2572, 784510), (3215, 627608), (4129, 488680), (5144, 392255), (6430, 313804), (8258, 244340), (12217, 165160), (12860, 156902), (16516, 122170), (20645, 97736), (24434, 82580), (25720, 78451), (33032, 61085), (41290, 48868)]