219028400

素因数分解:

$2^4\times 5^2\times {\mathrm{521}}^1\times {\mathrm{1051}}^1$

素因数の和:1590

約数の個数: 60

約数和(自身を含む): 527727384

約数和(自身を除く): 308698984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 521, 1042, 1051, 2084, 2102, 2605, 4168, 4204, 5210, 5255, 8336, 8408, 10420, 10510, 13025, 16816, 20840, 21020, 26050, 26275, 41680, 42040, 52100, 52550, 84080, 104200, 105100, 208400, 210200, 420400, 547571, 1095142, 2190284, 2737855, 4380568, 5475710, 8761136, 10951420, 13689275, 21902840, 27378550, 43805680, 54757100, 109514200, 219028400]

約数ペア:

[(1, 219028400), (2, 109514200), (4, 54757100), (5, 43805680), (8, 27378550), (10, 21902840), (16, 13689275), (20, 10951420), (25, 8761136), (40, 5475710), (50, 4380568), (80, 2737855), (100, 2190284), (200, 1095142), (400, 547571), (521, 420400), (1042, 210200), (1051, 208400), (2084, 105100), (2102, 104200), (2605, 84080), (4168, 52550), (4204, 52100), (5210, 42040), (5255, 41680), (8336, 26275), (8408, 26050), (10420, 21020), (10510, 20840), (13025, 16816)]