71314000

素因数分解:

$2^4\times 5^3\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:401

約数の個数: 80

約数和(自身を含む): 174270096

約数和(自身を除く): 102956096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 181, 197, 200, 250, 362, 394, 400, 500, 724, 788, 905, 985, 1000, 1448, 1576, 1810, 1970, 2000, 2896, 3152, 3620, 3940, 4525, 4925, 7240, 7880, 9050, 9850, 14480, 15760, 18100, 19700, 22625, 24625, 35657, 36200, 39400, 45250, 49250, 71314, 72400, 78800, 90500, 98500, 142628, 178285, 181000, 197000, 285256, 356570, 362000, 394000, 570512, 713140, 891425, 1426280, 1782850, 2852560, 3565700, 4457125, 7131400, 8914250, 14262800, 17828500, 35657000, 71314000]

約数ペア:

[(1, 71314000), (2, 35657000), (4, 17828500), (5, 14262800), (8, 8914250), (10, 7131400), (16, 4457125), (20, 3565700), (25, 2852560), (40, 1782850), (50, 1426280), (80, 891425), (100, 713140), (125, 570512), (181, 394000), (197, 362000), (200, 356570), (250, 285256), (362, 197000), (394, 181000), (400, 178285), (500, 142628), (724, 98500), (788, 90500), (905, 78800), (985, 72400), (1000, 71314), (1448, 49250), (1576, 45250), (1810, 39400), (1970, 36200), (2000, 35657), (2896, 24625), (3152, 22625), (3620, 19700), (3940, 18100), (4525, 15760), (4925, 14480), (7240, 9850), (7880, 9050)]