28289200

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:574

約数の個数: 60

約数和(自身を含む): 68500080

約数和(自身を除く): 40210880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 359, 394, 400, 718, 788, 985, 1436, 1576, 1795, 1970, 2872, 3152, 3590, 3940, 4925, 5744, 7180, 7880, 8975, 9850, 14360, 15760, 17950, 19700, 28720, 35900, 39400, 70723, 71800, 78800, 141446, 143600, 282892, 353615, 565784, 707230, 1131568, 1414460, 1768075, 2828920, 3536150, 5657840, 7072300, 14144600, 28289200]

約数ペア:

[(1, 28289200), (2, 14144600), (4, 7072300), (5, 5657840), (8, 3536150), (10, 2828920), (16, 1768075), (20, 1414460), (25, 1131568), (40, 707230), (50, 565784), (80, 353615), (100, 282892), (197, 143600), (200, 141446), (359, 78800), (394, 71800), (400, 70723), (718, 39400), (788, 35900), (985, 28720), (1436, 19700), (1576, 17950), (1795, 15760), (1970, 14360), (2872, 9850), (3152, 8975), (3590, 7880), (3940, 7180), (4925, 5744)]