201327800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{52981}}^1$

素因数の和:53016

約数の個数: 48

約数和(自身を含む): 492732600

約数和(自身を除く): 291404800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 52981, 105962, 211924, 264905, 423848, 529810, 1006639, 1059620, 1324525, 2013278, 2119240, 2649050, 4026556, 5033195, 5298100, 8053112, 10066390, 10596200, 20132780, 25165975, 40265560, 50331950, 100663900, 201327800]

約数ペア:

[(1, 201327800), (2, 100663900), (4, 50331950), (5, 40265560), (8, 25165975), (10, 20132780), (19, 10596200), (20, 10066390), (25, 8053112), (38, 5298100), (40, 5033195), (50, 4026556), (76, 2649050), (95, 2119240), (100, 2013278), (152, 1324525), (190, 1059620), (200, 1006639), (380, 529810), (475, 423848), (760, 264905), (950, 211924), (1900, 105962), (3800, 52981)]