205300340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7369}}^1$

素因数の和:7584

約数の個数: 48

約数和(自身を含む): 495264000

約数和(自身を除く): 289963660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 7369, 13930, 14738, 27860, 29476, 36845, 51583, 73690, 103166, 147380, 206332, 257915, 515830, 1031660, 1466431, 2932862, 5865724, 7332155, 10265017, 14664310, 20530034, 29328620, 41060068, 51325085, 102650170, 205300340]

約数ペア:

[(1, 205300340), (2, 102650170), (4, 51325085), (5, 41060068), (7, 29328620), (10, 20530034), (14, 14664310), (20, 10265017), (28, 7332155), (35, 5865724), (70, 2932862), (140, 1466431), (199, 1031660), (398, 515830), (796, 257915), (995, 206332), (1393, 147380), (1990, 103166), (2786, 73690), (3980, 51583), (5572, 36845), (6965, 29476), (7369, 27860), (13930, 14738)]