210959420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7649}}^1$

素因数の和:7862

約数の個数: 48

約数和(自身を含む): 508939200

約数和(自身を除く): 297979780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7649, 13790, 15298, 27580, 30596, 38245, 53543, 76490, 107086, 152980, 214172, 267715, 535430, 1070860, 1506853, 3013706, 6027412, 7534265, 10547971, 15068530, 21095942, 30137060, 42191884, 52739855, 105479710, 210959420]

約数ペア:

[(1, 210959420), (2, 105479710), (4, 52739855), (5, 42191884), (7, 30137060), (10, 21095942), (14, 15068530), (20, 10547971), (28, 7534265), (35, 6027412), (70, 3013706), (140, 1506853), (197, 1070860), (394, 535430), (788, 267715), (985, 214172), (1379, 152980), (1970, 107086), (2758, 76490), (3940, 53543), (5516, 38245), (6895, 30596), (7649, 27580), (13790, 15298)]