4218800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 10378800

約数和(自身を除く): 6160000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 199, 200, 212, 265, 398, 400, 424, 530, 796, 848, 995, 1060, 1325, 1592, 1990, 2120, 2650, 3184, 3980, 4240, 4975, 5300, 7960, 9950, 10547, 10600, 15920, 19900, 21094, 21200, 39800, 42188, 52735, 79600, 84376, 105470, 168752, 210940, 263675, 421880, 527350, 843760, 1054700, 2109400, 4218800]

約数ペア:

[(1, 4218800), (2, 2109400), (4, 1054700), (5, 843760), (8, 527350), (10, 421880), (16, 263675), (20, 210940), (25, 168752), (40, 105470), (50, 84376), (53, 79600), (80, 52735), (100, 42188), (106, 39800), (199, 21200), (200, 21094), (212, 19900), (265, 15920), (398, 10600), (400, 10547), (424, 9950), (530, 7960), (796, 5300), (848, 4975), (995, 4240), (1060, 3980), (1325, 3184), (1592, 2650), (1990, 2120)]