205057300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1487}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 511467264

約数和(自身を除く): 306409964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 700, 788, 985, 1379, 1487, 1970, 2758, 2974, 3940, 4925, 5516, 5948, 6895, 7435, 9850, 10409, 13790, 14870, 19700, 20818, 27580, 29740, 34475, 37175, 41636, 52045, 68950, 74350, 104090, 137900, 148700, 208180, 260225, 292939, 520450, 585878, 1040900, 1171756, 1464695, 2050573, 2929390, 4101146, 5858780, 7323475, 8202292, 10252865, 14646950, 20505730, 29293900, 41011460, 51264325, 102528650, 205057300]

約数ペア:

[(1, 205057300), (2, 102528650), (4, 51264325), (5, 41011460), (7, 29293900), (10, 20505730), (14, 14646950), (20, 10252865), (25, 8202292), (28, 7323475), (35, 5858780), (50, 4101146), (70, 2929390), (100, 2050573), (140, 1464695), (175, 1171756), (197, 1040900), (350, 585878), (394, 520450), (700, 292939), (788, 260225), (985, 208180), (1379, 148700), (1487, 137900), (1970, 104090), (2758, 74350), (2974, 68950), (3940, 52045), (4925, 41636), (5516, 37175), (5948, 34475), (6895, 29740), (7435, 27580), (9850, 20818), (10409, 19700), (13790, 14870)]