1408268920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1\times {\mathrm{1117}}^1$

素因数の和:1904

約数の個数: 64

約数和(自身を含む): 3249623520

約数和(自身を除く): 1841354600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 733, 860, 1117, 1466, 1720, 2234, 2932, 3665, 4468, 5585, 5864, 7330, 8936, 11170, 14660, 22340, 29320, 31519, 44680, 48031, 63038, 96062, 126076, 157595, 192124, 240155, 252152, 315190, 384248, 480310, 630380, 818761, 960620, 1260760, 1637522, 1921240, 3275044, 4093805, 6550088, 8187610, 16375220, 32750440, 35206723, 70413446, 140826892, 176033615, 281653784, 352067230, 704134460, 1408268920]

約数ペア:

[(1, 1408268920), (2, 704134460), (4, 352067230), (5, 281653784), (8, 176033615), (10, 140826892), (20, 70413446), (40, 35206723), (43, 32750440), (86, 16375220), (172, 8187610), (215, 6550088), (344, 4093805), (430, 3275044), (733, 1921240), (860, 1637522), (1117, 1260760), (1466, 960620), (1720, 818761), (2234, 630380), (2932, 480310), (3665, 384248), (4468, 315190), (5585, 252152), (5864, 240155), (7330, 192124), (8936, 157595), (11170, 126076), (14660, 96062), (22340, 63038), (29320, 48031), (31519, 44680)]