203948600

素因数分解:

$2^3\times 5^2\times {\mathrm{401}}^1\times {\mathrm{2543}}^1$

素因数の和:2960

約数の個数: 48

約数和(自身を含む): 475549920

約数和(自身を除く): 271601320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 401, 802, 1604, 2005, 2543, 3208, 4010, 5086, 8020, 10025, 10172, 12715, 16040, 20050, 20344, 25430, 40100, 50860, 63575, 80200, 101720, 127150, 254300, 508600, 1019743, 2039486, 4078972, 5098715, 8157944, 10197430, 20394860, 25493575, 40789720, 50987150, 101974300, 203948600]

約数ペア:

[(1, 203948600), (2, 101974300), (4, 50987150), (5, 40789720), (8, 25493575), (10, 20394860), (20, 10197430), (25, 8157944), (40, 5098715), (50, 4078972), (100, 2039486), (200, 1019743), (401, 508600), (802, 254300), (1604, 127150), (2005, 101720), (2543, 80200), (3208, 63575), (4010, 50860), (5086, 40100), (8020, 25430), (10025, 20344), (10172, 20050), (12715, 16040)]