201326120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 471517200

約数和(自身を除く): 270191080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 197, 232, 290, 394, 580, 788, 881, 985, 1160, 1576, 1762, 1970, 3524, 3940, 4405, 5713, 7048, 7880, 8810, 11426, 17620, 22852, 25549, 28565, 35240, 45704, 51098, 57130, 102196, 114260, 127745, 173557, 204392, 228520, 255490, 347114, 510980, 694228, 867785, 1021960, 1388456, 1735570, 3471140, 5033153, 6942280, 10066306, 20132612, 25165765, 40265224, 50331530, 100663060, 201326120]

約数ペア:

[(1, 201326120), (2, 100663060), (4, 50331530), (5, 40265224), (8, 25165765), (10, 20132612), (20, 10066306), (29, 6942280), (40, 5033153), (58, 3471140), (116, 1735570), (145, 1388456), (197, 1021960), (232, 867785), (290, 694228), (394, 510980), (580, 347114), (788, 255490), (881, 228520), (985, 204392), (1160, 173557), (1576, 127745), (1762, 114260), (1970, 102196), (3524, 57130), (3940, 51098), (4405, 45704), (5713, 35240), (7048, 28565), (7880, 25549), (8810, 22852), (11426, 17620)]