213839000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{4973}}^1$

素因数の和:5037

約数の個数: 64

約数和(自身を含む): 512123040

約数和(自身を除く): 298284040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 125, 172, 200, 215, 250, 344, 430, 500, 860, 1000, 1075, 1720, 2150, 4300, 4973, 5375, 8600, 9946, 10750, 19892, 21500, 24865, 39784, 43000, 49730, 99460, 124325, 198920, 213839, 248650, 427678, 497300, 621625, 855356, 994600, 1069195, 1243250, 1710712, 2138390, 2486500, 4276780, 4973000, 5345975, 8553560, 10691950, 21383900, 26729875, 42767800, 53459750, 106919500, 213839000]

約数ペア:

[(1, 213839000), (2, 106919500), (4, 53459750), (5, 42767800), (8, 26729875), (10, 21383900), (20, 10691950), (25, 8553560), (40, 5345975), (43, 4973000), (50, 4276780), (86, 2486500), (100, 2138390), (125, 1710712), (172, 1243250), (200, 1069195), (215, 994600), (250, 855356), (344, 621625), (430, 497300), (500, 427678), (860, 248650), (1000, 213839), (1075, 198920), (1720, 124325), (2150, 99460), (4300, 49730), (4973, 43000), (5375, 39784), (8600, 24865), (9946, 21500), (10750, 19892)]