203410400

素因数分解:

$2^5\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1013}}^1$

素因数の和:1284

約数の個数: 72

約数和(自身を含む): 499046184

約数和(自身を除く): 295635784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 251, 400, 502, 800, 1004, 1013, 1255, 2008, 2026, 2510, 4016, 4052, 5020, 5065, 6275, 8032, 8104, 10040, 10130, 12550, 16208, 20080, 20260, 25100, 25325, 32416, 40160, 40520, 50200, 50650, 81040, 100400, 101300, 162080, 200800, 202600, 254263, 405200, 508526, 810400, 1017052, 1271315, 2034104, 2542630, 4068208, 5085260, 6356575, 8136416, 10170520, 12713150, 20341040, 25426300, 40682080, 50852600, 101705200, 203410400]

約数ペア:

[(1, 203410400), (2, 101705200), (4, 50852600), (5, 40682080), (8, 25426300), (10, 20341040), (16, 12713150), (20, 10170520), (25, 8136416), (32, 6356575), (40, 5085260), (50, 4068208), (80, 2542630), (100, 2034104), (160, 1271315), (200, 1017052), (251, 810400), (400, 508526), (502, 405200), (800, 254263), (1004, 202600), (1013, 200800), (1255, 162080), (2008, 101300), (2026, 100400), (2510, 81040), (4016, 50650), (4052, 50200), (5020, 40520), (5065, 40160), (6275, 32416), (8032, 25325), (8104, 25100), (10040, 20260), (10130, 20080), (12550, 16208)]