210399910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{38047}}^1$

素因数の和:38140

約数の個数: 32

約数和(自身を含む): 438312960

約数和(自身を除く): 227913050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 38047, 76094, 190235, 266329, 380470, 532658, 1331645, 2663290, 3005713, 6011426, 15028565, 21039991, 30057130, 42079982, 105199955, 210399910]

約数ペア:

[(1, 210399910), (2, 105199955), (5, 42079982), (7, 30057130), (10, 21039991), (14, 15028565), (35, 6011426), (70, 3005713), (79, 2663290), (158, 1331645), (395, 532658), (553, 380470), (790, 266329), (1106, 190235), (2765, 76094), (5530, 38047)]