257269310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1409}}^1$

素因数の和:1497

約数の個数: 48

約数和(自身を含む): 504046800

約数和(自身を除く): 246777490

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 961, 1178, 1409, 1922, 2818, 2945, 4805, 5890, 7045, 9610, 14090, 18259, 26771, 36518, 43679, 53542, 87358, 91295, 133855, 182590, 218395, 267710, 436790, 829901, 1354049, 1659802, 2708098, 4149505, 6770245, 8299010, 13540490, 25726931, 51453862, 128634655, 257269310]

約数ペア:

[(1, 257269310), (2, 128634655), (5, 51453862), (10, 25726931), (19, 13540490), (31, 8299010), (38, 6770245), (62, 4149505), (95, 2708098), (155, 1659802), (190, 1354049), (310, 829901), (589, 436790), (961, 267710), (1178, 218395), (1409, 182590), (1922, 133855), (2818, 91295), (2945, 87358), (4805, 53542), (5890, 43679), (7045, 36518), (9610, 26771), (14090, 18259)]