20150200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 55130400

約数和(自身を除く): 34980200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 140, 148, 175, 185, 200, 259, 280, 296, 350, 370, 389, 518, 700, 740, 778, 925, 1036, 1295, 1400, 1480, 1556, 1850, 1945, 2072, 2590, 2723, 3112, 3700, 3890, 5180, 5446, 6475, 7400, 7780, 9725, 10360, 10892, 12950, 13615, 14393, 15560, 19450, 21784, 25900, 27230, 28786, 38900, 51800, 54460, 57572, 68075, 71965, 77800, 100751, 108920, 115144, 136150, 143930, 201502, 272300, 287860, 359825, 403004, 503755, 544600, 575720, 719650, 806008, 1007510, 1439300, 2015020, 2518775, 2878600, 4030040, 5037550, 10075100, 20150200]

約数ペア:

[(1, 20150200), (2, 10075100), (4, 5037550), (5, 4030040), (7, 2878600), (8, 2518775), (10, 2015020), (14, 1439300), (20, 1007510), (25, 806008), (28, 719650), (35, 575720), (37, 544600), (40, 503755), (50, 403004), (56, 359825), (70, 287860), (74, 272300), (100, 201502), (140, 143930), (148, 136150), (175, 115144), (185, 108920), (200, 100751), (259, 77800), (280, 71965), (296, 68075), (350, 57572), (370, 54460), (389, 51800), (518, 38900), (700, 28786), (740, 27230), (778, 25900), (925, 21784), (1036, 19450), (1295, 15560), (1400, 14393), (1480, 13615), (1556, 12950), (1850, 10892), (1945, 10360), (2072, 9725), (2590, 7780), (2723, 7400), (3112, 6475), (3700, 5446), (3890, 5180)]