1243938200

素因数分解:

$2^3\times 5^2\times {\mathrm{691}}^1\times {\mathrm{9001}}^1$

素因数の和:9708

約数の個数: 48

約数和(自身を含む): 2896663560

約数和(自身を除く): 1652725360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 691, 1382, 2764, 3455, 5528, 6910, 9001, 13820, 17275, 18002, 27640, 34550, 36004, 45005, 69100, 72008, 90010, 138200, 180020, 225025, 360040, 450050, 900100, 1800200, 6219691, 12439382, 24878764, 31098455, 49757528, 62196910, 124393820, 155492275, 248787640, 310984550, 621969100, 1243938200]

約数ペア:

[(1, 1243938200), (2, 621969100), (4, 310984550), (5, 248787640), (8, 155492275), (10, 124393820), (20, 62196910), (25, 49757528), (40, 31098455), (50, 24878764), (100, 12439382), (200, 6219691), (691, 1800200), (1382, 900100), (2764, 450050), (3455, 360040), (5528, 225025), (6910, 180020), (9001, 138200), (13820, 90010), (17275, 72008), (18002, 69100), (27640, 45005), (34550, 36004)]