257716900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1061}}^1$

素因数の和:1429

約数の個数: 72

約数和(自身を含む): 641583936

約数和(自身を除く): 383867036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 347, 350, 694, 700, 1061, 1388, 1735, 2122, 2429, 3470, 4244, 4858, 5305, 6940, 7427, 8675, 9716, 10610, 12145, 14854, 17350, 21220, 24290, 26525, 29708, 34700, 37135, 48580, 53050, 60725, 74270, 106100, 121450, 148540, 185675, 242900, 368167, 371350, 736334, 742700, 1472668, 1840835, 2577169, 3681670, 5154338, 7363340, 9204175, 10308676, 12885845, 18408350, 25771690, 36816700, 51543380, 64429225, 128858450, 257716900]

約数ペア:

[(1, 257716900), (2, 128858450), (4, 64429225), (5, 51543380), (7, 36816700), (10, 25771690), (14, 18408350), (20, 12885845), (25, 10308676), (28, 9204175), (35, 7363340), (50, 5154338), (70, 3681670), (100, 2577169), (140, 1840835), (175, 1472668), (347, 742700), (350, 736334), (694, 371350), (700, 368167), (1061, 242900), (1388, 185675), (1735, 148540), (2122, 121450), (2429, 106100), (3470, 74270), (4244, 60725), (4858, 53050), (5305, 48580), (6940, 37135), (7427, 34700), (8675, 29708), (9716, 26525), (10610, 24290), (12145, 21220), (14854, 17350)]